72184028328 has 48 divisors (see below), whose sum is σ = 197291994900. Its totient is φ = 23840593920.

The previous prime is 72184028281. The next prime is 72184028339. The reversal of 72184028328 is 82382048127.

72184028328 is a `hidden beast` number, since 7 + 218 + 402 + 8 + 3 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66233140164 + 5950888164 = 257358^2 + 77142^2 .

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, 4591033 + ... + 4606728.

Almost surely, 2^72184028328 is an apocalyptic number.

It is an amenable number.

72184028328 is an abundant number, since it is smaller than the sum of its proper divisors (125107966572).

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

72184028328 is a wasteful number, since it uses less digits than its factorization.

72184028328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197882 (or 9197875 counting only the distinct ones).

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

The spelling of 72184028328 in words is "seventy-two billion, one hundred eighty-four million, twenty-eight thousand, three hundred twenty-eight".