72864852 has 24 divisors (see below), whose sum is σ = 173636736. Its totient is φ = 23771328.

The previous prime is 72864821. The next prime is 72864893. The reversal of 72864852 is 25846827.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 64033 + ... + 65160.

It is an arithmetic number, because the mean of its divisors is an integer number (7234864).

Almost surely, 2^72864852 is an apocalyptic number.

It is an amenable number.

72864852 is an abundant number, since it is smaller than the sum of its proper divisors (100771884).

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

72864852 is a wasteful number, since it uses less digits than its factorization.

72864852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129247 (or 129245 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 72864852 is about 8536.0911429061. The cubic root of 72864852 is about 417.6758473747.

The spelling of 72864852 in words is "seventy-two million, eight hundred sixty-four thousand, eight hundred fifty-two".