72733764 has 24 divisors (see below), whose sum is σ = 170654848. Its totient is φ = 24109920.

The previous prime is 72733763. The next prime is 72733807. The reversal of 72733764 is 46733727.

It is not an unprimeable number, because it can be changed into a prime (72733763) 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 7 ways as a sum of consecutive naturals, for example, 14572 + ... + 18915.

Almost surely, 2^72733764 is an apocalyptic number.

It is an amenable number.

72733764 is an abundant number, since it is smaller than the sum of its proper divisors (97921084).

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

72733764 is a wasteful number, since it uses less digits than its factorization.

72733764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33675 (or 33673 counting only the distinct ones).

The product of its digits is 148176, while the sum is 39.

The square root of 72733764 is about 8528.4092303313. The cubic root of 72733764 is about 417.4252228418.

The spelling of 72733764 in words is "seventy-two million, seven hundred thirty-three thousand, seven hundred sixty-four".