72942924 has 12 divisors (see below), whose sum is σ = 170200184. Its totient is φ = 24314304.

The previous prime is 72942899. The next prime is 72942941. The reversal of 72942924 is 42924927.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039277 + ... + 3039300.

Almost surely, 2^72942924 is an apocalyptic number.

It is an amenable number.

72942924 is an abundant number, since it is smaller than the sum of its proper divisors (97257260).

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

72942924 is a wasteful number, since it uses less digits than its factorization.

72942924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078584 (or 6078582 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 72942924 is about 8540.6629719244. The cubic root of 72942924 is about 417.8249688804.

The spelling of 72942924 in words is "seventy-two million, nine hundred forty-two thousand, nine hundred twenty-four".