72538984 has 16 divisors (see below), whose sum is σ = 155440800. Its totient is φ = 31088112.

The previous prime is 72538951. The next prime is 72539003. The reversal of 72538984 is 48983527.

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 3 ways as a sum of consecutive naturals, for example, 647614 + ... + 647725.

It is an arithmetic number, because the mean of its divisors is an integer number (9715050).

Almost surely, 2^72538984 is an apocalyptic number.

It is an amenable number.

72538984 is an abundant number, since it is smaller than the sum of its proper divisors (82901816).

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

72538984 is a wasteful number, since it uses less digits than its factorization.

72538984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295352 (or 1295348 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 72538984 is about 8516.9820946154. The cubic root of 72538984 is about 417.0522700917.

The spelling of 72538984 in words is "seventy-two million, five hundred thirty-eight thousand, nine hundred eighty-four".