72949712 has 20 divisors (see below), whose sum is σ = 154189536. Its totient is φ = 33158880.

The previous prime is 72949699. The next prime is 72949739. The reversal of 72949712 is 21794927.

It is a self number, because there is not a number n which added to its sum of digits gives 72949712.

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 3 ways as a sum of consecutive naturals, for example, 207068 + ... + 207419.

Almost surely, 2^72949712 is an apocalyptic number.

It is an amenable number.

72949712 is an abundant number, since it is smaller than the sum of its proper divisors (81239824).

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

72949712 is a wasteful number, since it uses less digits than its factorization.

72949712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414506 (or 414500 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 72949712 is about 8541.0603557170. The cubic root of 72949712 is about 417.8379292781.

The spelling of 72949712 in words is "seventy-two million, nine hundred forty-nine thousand, seven hundred twelve".