7859972 has 12 divisors (see below), whose sum is σ = 13980876. Its totient is φ = 3865440.

The previous prime is 7859923. The next prime is 7859981. The reversal of 7859972 is 2799587.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 4227136 = 1906^2 + 2056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15863 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (1165073).

Almost surely, 2^7859972 is an apocalyptic number.

It is an amenable number.

7859972 is a deficient number, since it is larger than the sum of its proper divisors (6120904).

7859972 is a wasteful number, since it uses less digits than its factorization.

7859972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32278 (or 32276 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The square root of 7859972 is about 2803.5641601362. The cubic root of 7859972 is about 198.8262247345.

The spelling of 7859972 in words is "seven million, eight hundred fifty-nine thousand, nine hundred seventy-two".