72574868 has 12 divisors (see below), whose sum is σ = 128536800. Its totient is φ = 35850072.

The previous prime is 72574847. The next prime is 72574877. The reversal of 72574868 is 86847527.

It is a super-2 number, since 2×72574868² = 10534222930434848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108968 + ... + 109631.

It is an arithmetic number, because the mean of its divisors is an integer number (10711400).

Almost surely, 2^72574868 is an apocalyptic number.

It is an amenable number.

72574868 is a deficient number, since it is larger than the sum of its proper divisors (55961932).

72574868 is a wasteful number, since it uses less digits than its factorization.

72574868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218686 (or 218684 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 72574868 is about 8519.0884488894. The cubic root of 72574868 is about 417.1210286900.

The spelling of 72574868 in words is "seventy-two million, five hundred seventy-four thousand, eight hundred sixty-eight".