72299712 has 56 divisors (see below), whose sum is σ = 201371200. Its totient is φ = 22830336.

The previous prime is 72299671. The next prime is 72299729. The reversal of 72299712 is 21799227.

It is an unprimeable number.

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, 6262 + ... + 13557.

Almost surely, 2^72299712 is an apocalyptic number.

It is an amenable number.

72299712 is an abundant number, since it is smaller than the sum of its proper divisors (129071488).

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

72299712 is a wasteful number, since it uses less digits than its factorization.

72299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19853 (or 19843 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 72299712 is about 8502.9237324581. The cubic root of 72299712 is about 416.5932118691.

The spelling of 72299712 in words is "seventy-two million, two hundred ninety-nine thousand, seven hundred twelve".