72039870474 has 32 divisors (see below), whose sum is σ = 169268508864. Its totient is φ = 20151012480.

The previous prime is 72039870439. The next prime is 72039870481. The reversal of 72039870474 is 47407893027.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41980419 + ... + 41982134.

It is an arithmetic number, because the mean of its divisors is an integer number (5289640902).

Almost surely, 2^72039870474 is an apocalyptic number.

72039870474 is an abundant number, since it is smaller than the sum of its proper divisors (97228638390).

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

72039870474 is a wasteful number, since it uses less digits than its factorization.

72039870474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83962582.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 72039870474 in words is "seventy-two billion, thirty-nine million, eight hundred seventy thousand, four hundred seventy-four".