72528855984 has 60 divisors (see below), whose sum is σ = 218593918816. Its totient is φ = 22316570496.

The previous prime is 72528855977. The next prime is 72528856039. The reversal of 72528855984 is 48955882527.

72528855984 is a `hidden beast` number, since 72 + 5 + 2 + 8 + 8 + 559 + 8 + 4 = 666.

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, 19370152 + ... + 19373895.

Almost surely, 2^72528855984 is an apocalyptic number.

It is an amenable number.

72528855984 is an abundant number, since it is smaller than the sum of its proper divisors (146065062832).

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

72528855984 is a wasteful number, since it uses less digits than its factorization.

72528855984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38744074 (or 38744065 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 63.

The spelling of 72528855984 in words is "seventy-two billion, five hundred twenty-eight million, eight hundred fifty-five thousand, nine hundred eighty-four".