72486634 has 24 divisors (see below), whose sum is σ = 125199648. Its totient is φ = 31210920.

The previous prime is 72486629. The next prime is 72486641. The reversal of 72486634 is 43668427.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3379 + ... + 12505.

It is an arithmetic number, because the mean of its divisors is an integer number (5216652).

Almost surely, 2^72486634 is an apocalyptic number.

72486634 is a deficient number, since it is larger than the sum of its proper divisors (52713014).

72486634 is a wasteful number, since it uses less digits than its factorization.

72486634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178 (or 9159 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 72486634 is about 8513.9082682397. The cubic root of 72486634 is about 416.9519197269.

The spelling of 72486634 in words is "seventy-two million, four hundred eighty-six thousand, six hundred thirty-four".