72791504 has 20 divisors (see below), whose sum is σ = 147166176. Its totient is φ = 34813152.

The previous prime is 72791497. The next prime is 72791507. The reversal of 72791504 is 40519727.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72791507) by changing a digit.

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, 98534 + ... + 99269.

Almost surely, 2^72791504 is an apocalyptic number.

It is an amenable number.

72791504 is an abundant number, since it is smaller than the sum of its proper divisors (74374672).

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

72791504 is a wasteful number, since it uses less digits than its factorization.

72791504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197834 (or 197828 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 72791504 is about 8531.7937152746. The cubic root of 72791504 is about 417.5356518732.

The spelling of 72791504 in words is "seventy-two million, seven hundred ninety-one thousand, five hundred four".