72742968 has 32 divisors (see below), whose sum is σ = 202064400. Its totient is φ = 24247584.

The previous prime is 72742931. The next prime is 72743053. The reversal of 72742968 is 86924727.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 168171 + ... + 168602.

Almost surely, 2^72742968 is an apocalyptic number.

It is an amenable number.

72742968 is an abundant number, since it is smaller than the sum of its proper divisors (129321432).

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

72742968 is a wasteful number, since it uses less digits than its factorization.

72742968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336788 (or 336778 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 72742968 is about 8528.9488215137. The cubic root of 72742968 is about 417.4428296106.

The spelling of 72742968 in words is "seventy-two million, seven hundred forty-two thousand, nine hundred sixty-eight".