72813275016 has 32 divisors (see below), whose sum is σ = 182183328960. Its totient is φ = 24251072832.

The previous prime is 72813274967. The next prime is 72813275071. The reversal of 72813275016 is 61057231827.

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, 1221460 + ... + 1279683.

It is an arithmetic number, because the mean of its divisors is an integer number (5693229030).

Almost surely, 2^72813275016 is an apocalyptic number.

It is an amenable number.

72813275016 is an abundant number, since it is smaller than the sum of its proper divisors (109370053944).

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

72813275016 is a wasteful number, since it uses less digits than its factorization.

72813275016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502365 (or 2502361 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 72813275016 in words is "seventy-two billion, eight hundred thirteen million, two hundred seventy-five thousand, sixteen".