72959888 has 20 divisors (see below), whose sum is σ = 141575388. Its totient is φ = 36424320.

The previous prime is 72959881. The next prime is 72959891. The reversal of 72959888 is 88895927.

It can be written as a sum of positive squares in 2 ways, for example, as 38291344 + 34668544 = 6188^2 + 5888^2 .

It is not an unprimeable number, because it can be changed into a prime (72959881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8618 + ... + 14838.

Almost surely, 2^72959888 is an apocalyptic number.

It is an amenable number.

72959888 is a deficient number, since it is larger than the sum of its proper divisors (68615500).

72959888 is a wasteful number, since it uses less digits than its factorization.

72959888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962 (or 6956 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 56.

The square root of 72959888 is about 8541.6560455219. The cubic root of 72959888 is about 417.8573569128.

The spelling of 72959888 in words is "seventy-two million, nine hundred fifty-nine thousand, eight hundred eighty-eight".