72564364 has 24 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 34012416.

The previous prime is 72564337. The next prime is 72564389. The reversal of 72564364 is 46346527.

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 7 ways as a sum of consecutive naturals, for example, 16309 + ... + 20275.

It is an arithmetic number, because the mean of its divisors is an integer number (5624640).

Almost surely, 2^72564364 is an apocalyptic number.

It is an amenable number.

72564364 is a deficient number, since it is larger than the sum of its proper divisors (62426996).

72564364 is a wasteful number, since it uses less digits than its factorization.

72564364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257 (or 4255 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 72564364 is about 8518.4719286971. The cubic root of 72564364 is about 417.1009039517.

The spelling of 72564364 in words is "seventy-two million, five hundred sixty-four thousand, three hundred sixty-four".