72570512 has 20 divisors (see below), whose sum is σ = 160692096. Its totient is φ = 31101600.

The previous prime is 72570479. The next prime is 72570527. The reversal of 72570512 is 21507527.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323864 + ... + 324087.

Almost surely, 2^72570512 is an apocalyptic number.

It is an amenable number.

72570512 is an abundant number, since it is smaller than the sum of its proper divisors (88121584).

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

72570512 is a wasteful number, since it uses less digits than its factorization.

72570512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647966 (or 647960 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 72570512 is about 8518.8327838971. The cubic root of 72570512 is about 417.1126832136.

The spelling of 72570512 in words is "seventy-two million, five hundred seventy thousand, five hundred twelve".