8972724 has 24 divisors (see below), whose sum is σ = 21424480. Its totient is φ = 2921184.

The previous prime is 8972701. The next prime is 8972749. The reversal of 8972724 is 4272798.

It is a congruent number.

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, 8179 + ... + 9210.

Almost surely, 2^8972724 is an apocalyptic number.

It is an amenable number.

8972724 is an abundant number, since it is smaller than the sum of its proper divisors (12451756).

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

8972724 is a wasteful number, since it uses less digits than its factorization.

8972724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17439 (or 17437 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 8972724 is about 2995.4505504181. The cubic root of 8972724 is about 207.7980349741.

The spelling of 8972724 in words is "eight million, nine hundred seventy-two thousand, seven hundred twenty-four".