72486628 has 12 divisors (see below), whose sum is σ = 126911232. Its totient is φ = 36226280.

The previous prime is 72486619. The next prime is 72486629. The reversal of 72486628 is 82668427.

It is a super-2 number, since 2×72486628² = 10508622477620768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72486629) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14313 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (10575936).

Almost surely, 2^72486628 is an apocalyptic number.

It is an amenable number.

72486628 is a deficient number, since it is larger than the sum of its proper divisors (54424604).

72486628 is a wasteful number, since it uses less digits than its factorization.

72486628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522 (or 8520 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 72486628 is about 8513.9079158751. The cubic root of 72486628 is about 416.9519082226.

The spelling of 72486628 in words is "seventy-two million, four hundred eighty-six thousand, six hundred twenty-eight".