7662972 has 12 divisors (see below), whose sum is σ = 17880296. Its totient is φ = 2554320.

The previous prime is 7662961. The next prime is 7663009. The reversal of 7662972 is 2792667.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7662972² = 117442279745568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7662972.

It is a congruent number.

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, 319279 + ... + 319302.

Almost surely, 2^7662972 is an apocalyptic number.

It is an amenable number.

7662972 is an abundant number, since it is smaller than the sum of its proper divisors (10217324).

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

7662972 is a wasteful number, since it uses less digits than its factorization.

7662972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638588 (or 638586 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 7662972 is about 2768.2073621750. The cubic root of 7662972 is about 197.1510432584.

The spelling of 7662972 in words is "seven million, six hundred sixty-two thousand, nine hundred seventy-two".