72993372 has 24 divisors (see below), whose sum is σ = 171205776. Its totient is φ = 24204288.

The previous prime is 72993353. The next prime is 72993379. The reversal of 72993372 is 27339927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72993379) 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 7 ways as a sum of consecutive naturals, for example, 13443 + ... + 18074.

It is an arithmetic number, because the mean of its divisors is an integer number (7133574).

Almost surely, 2^72993372 is an apocalyptic number.

It is an amenable number.

72993372 is an abundant number, since it is smaller than the sum of its proper divisors (98212404).

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

72993372 is a wasteful number, since it uses less digits than its factorization.

72993372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31717 (or 31715 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 72993372 is about 8543.6158621511. The cubic root of 72993372 is about 417.9212705520.

The spelling of 72993372 in words is "seventy-two million, nine hundred ninety-three thousand, three hundred seventy-two".