72572684 has 12 divisors (see below), whose sum is σ = 128312184. Its totient is φ = 35912064.

The previous prime is 72572683. The next prime is 72572693. The reversal of 72572684 is 48627527.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72572683) by changing a digit.

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, 93134 + ... + 93909.

It is an arithmetic number, because the mean of its divisors is an integer number (10692682).

Almost surely, 2^72572684 is an apocalyptic number.

It is an amenable number.

72572684 is a deficient number, since it is larger than the sum of its proper divisors (55739500).

72572684 is a wasteful number, since it uses less digits than its factorization.

72572684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187144 (or 187142 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 72572684 is about 8518.9602651967. The cubic root of 72572684 is about 417.1168444984.

The spelling of 72572684 in words is "seventy-two million, five hundred seventy-two thousand, six hundred eighty-four".