72864882 has 24 divisors (see below), whose sum is σ = 160552080. Its totient is φ = 23876280.

The previous prime is 72864821. The next prime is 72864893. The reversal of 72864882 is 28846827.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33244 + ... + 35367.

It is an arithmetic number, because the mean of its divisors is an integer number (6689670).

Almost surely, 2^72864882 is an apocalyptic number.

72864882 is an abundant number, since it is smaller than the sum of its proper divisors (87687198).

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

72864882 is a wasteful number, since it uses less digits than its factorization.

72864882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68678 (or 68675 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 72864882 is about 8536.0929001505. The cubic root of 72864882 is about 417.6759046967.

The spelling of 72864882 in words is "seventy-two million, eight hundred sixty-four thousand, eight hundred eighty-two".