Euler's Totient Function

Problem Number: 
11 073
Type of Problem: 
Problem Category: 
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
2 4 5 7 8 9 10 480 5760 999999936 999999960 999999984 999999997 999999998 999999999
Problem Id: 
11073