Euler's totient function equation
109461
Solving equation involving Euler's totient function
47001
Cubic diophantine equation
81723
Infinitely many primes proof using Euler's totient
115969
Amount of generators for cyclic group and Euler's function
742
How to prove Euler's formula: $e^{i\varphi}=\cos(\varphi) +i\sin(\varphi)$?
98232
What is a good way to introduce Euler's totient function?
55984
How can I find the answer to $\varphi(2^{400} + 2)$?
142931
Problem on Euler's Phi function
1970
Inverse Euler totient function
133236
Euler's Solution of Seven Bridges of Königsberg in Layman Terms
123036
Is the equation $x = \phi(n), x=2k, n,k \in \mathbb{Z}$, where $\phi(n)$ is the Euler totient function, solvable for all evens?
48502
number of ordered pairs of integers $(x,y)$ satisfying the equation
49044
Question about Eulers formula $v - e + f = 2$
35571
Euler Rotations in Ordinary Space
114136
Euler's $\phi(n)$ function and solutions of $\phi(n) = 4294967296=2^{32}$
124220
Using Euler's Totient Function, how do I find all values n such that $\phi(n)=12$?
8784
modulo version of the quadratic formula and Euler's criterion