72267512 has 16 divisors (see below), whose sum is σ = 139164360. Its totient is φ = 35157024.

The previous prime is 72267511. The next prime is 72267523. The reversal of 72267512 is 21576227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72267511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121778 + ... + 122369.

Almost surely, 2^72267512 is an apocalyptic number.

It is an amenable number.

72267512 is a deficient number, since it is larger than the sum of its proper divisors (66896848).

72267512 is a wasteful number, since it uses less digits than its factorization.

72267512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244190 (or 244186 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 72267512 is about 8501.0300552345. The cubic root of 72267512 is about 416.5313568816.

The spelling of 72267512 in words is "seventy-two million, two hundred sixty-seven thousand, five hundred twelve".