Euler’s Totient Function

[itsAkshayDubey]

Hi,
I have not seen any implementation of Euler’s Totient Function in this repo.
Could you please assign this issue to me?

[siriak]

It's here https://github.com/TheAlgorithms/Java/blob/9fb3364cccc5373c32dbdb661f773c5ee753c77a/src/main/java/com/thealgorithms/others/EulersFunction.java