72706711020 has 96 divisors (see below), whose sum is σ = 204635289600. Its totient is φ = 19288007424.

The previous prime is 72706711013. The next prime is 72706711031. The reversal of 72706711020 is 2011760727.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19600926 + ... + 19604634.

It is an arithmetic number, because the mean of its divisors is an integer number (2131617600).

Almost surely, 2^72706711020 is an apocalyptic number.

It is an amenable number.

72706711020 is an abundant number, since it is smaller than the sum of its proper divisors (131928578580).

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

72706711020 is a wasteful number, since it uses less digits than its factorization.

72706711020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The spelling of 72706711020 in words is "seventy-two billion, seven hundred six million, seven hundred eleven thousand, twenty".