7790972 has 24 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 3291120.

The previous prime is 7790953. The next prime is 7790989. The reversal of 7790972 is 2790977.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 29 + ... + 3947.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 2^7790972 is an apocalyptic number.

It is an amenable number.

7790972 is an abundant number, since it is smaller than the sum of its proper divisors (8014468).

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

7790972 is a wasteful number, since it uses less digits than its factorization.

7790972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001 (or 3999 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 41.

The square root of 7790972 is about 2791.2312695296. The cubic root of 7790972 is about 198.2427047901.

The spelling of 7790972 in words is "seven million, seven hundred ninety thousand, nine hundred seventy-two".