8722972 has 24 divisors (see below), whose sum is σ = 16604784. Its totient is φ = 3992832.

The previous prime is 8722969. The next prime is 8722981. The reversal of 8722972 is 2792278.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 783 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (691866).

Almost surely, 2^8722972 is an apocalyptic number.

It is an amenable number.

8722972 is a deficient number, since it is larger than the sum of its proper divisors (7881812).

8722972 is a wasteful number, since it uses less digits than its factorization.

8722972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525 (or 3523 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 8722972 is about 2953.4677922740. The cubic root of 8722972 is about 205.8518745375.

It can be divided in two parts, 872 and 2972, that added together give a square (3844 = 62²).

The spelling of 8722972 in words is "eight million, seven hundred twenty-two thousand, nine hundred seventy-two".