Euler's $\phi(n)$ function and solutions of $\phi(n) = 4294967296=2^{32}$
53042
Find solutions to $\varphi\left(n\right)=2^{32}$
80670
'Lines' in the Euler phi graph
28594
Number of integer solutions of the following equation
35712
Solve for n: $\varphi(2n)=\varphi(3n)$
82878
Order of cyclic groups and the Euler phi function
33144
Criterion for $\phi(mn)=m\phi(n)$ to be true
117681
For which Natural $n\ge2: \phi(n)=n/2$
144890
Recurrence $f_{n+2}=af_{n+1}+bf_n$
58663
How to show that if $\phi(n)$ equals to n itself, then n must be 1?
144819
Proving $P(n) =n^{\phi(n)} \prod\limits_{d \mid n} \left(\frac{d!}{d^d} \right)^{\mu(n/d)}$
15000
Show that number of elements in $(Z/nZ)^*$ is $\phi (n)$
119048
What is the Euler Totient of Zero?
46065
How do you find all $n$ such that $\phi(n)|n$
1970
Inverse Euler totient function
61858
Is there $\phi(n)=n/6$
8784
modulo version of the quadratic formula and Euler's criterion
97258
Give $\ker(\phi)$ for $\phi: \mathbb{Z} \to \mathbb{Z_7}$ such that $\phi(1)=4$