72286508 has 24 divisors (see below), whose sum is σ = 146010144. Its totient is φ = 30672000.

The previous prime is 72286481. The next prime is 72286519. The reversal of 72286508 is 80568227.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9953 + ... + 15608.

It is an arithmetic number, because the mean of its divisors is an integer number (6083756).

Almost surely, 2^72286508 is an apocalyptic number.

It is an amenable number.

72286508 is an abundant number, since it is smaller than the sum of its proper divisors (73723636).

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

72286508 is a wasteful number, since it uses less digits than its factorization.

72286508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25673 (or 25671 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 72286508 is about 8502.1472581931. The cubic root of 72286508 is about 416.5678497041.

The spelling of 72286508 in words is "seventy-two million, two hundred eighty-six thousand, five hundred eight".