72702475104 has 48 divisors (see below), whose sum is σ = 218107427328. Its totient is φ = 20772135552.

The previous prime is 72702475099. The next prime is 72702475151. The reversal of 72702475104 is 40157420727.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54093432 + ... + 54094775.

It is an arithmetic number, because the mean of its divisors is an integer number (4543904736).

Almost surely, 2^72702475104 is an apocalyptic number.

It is an amenable number.

72702475104 is an abundant number, since it is smaller than the sum of its proper divisors (145404952224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72702475104 is a wasteful number, since it uses less digits than its factorization.

72702475104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108188227 (or 108188219 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 39.

The spelling of 72702475104 in words is "seventy-two billion, seven hundred two million, four hundred seventy-five thousand, one hundred four".