72570506353828 has 24 divisors (see below), whose sum is σ = 152780013377600. Its totient is φ = 29464716865248.

The previous prime is 72570506353721. The next prime is 72570506353853. The reversal of 72570506353828 is 82835360507527.

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, 68205362583 + ... + 68205363646.

Almost surely, 2^{72570506353828} is an apocalyptic number.

It is an amenable number.

72570506353828 is an abundant number, since it is smaller than the sum of its proper divisors (80209507023772).

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

72570506353828 is a wasteful number, since it uses less digits than its factorization.

72570506353828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136410726259 (or 136410726257 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 61.

The spelling of 72570506353828 in words is "seventy-two trillion, five hundred seventy billion, five hundred six million, three hundred fifty-three thousand, eight hundred twenty-eight".