7990872 has 32 divisors (see below), whose sum is σ = 20255280. Its totient is φ = 2626560.

The previous prime is 7990847. The next prime is 7990877. The reversal of 7990872 is 2780997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529 + ... + 4032.

Almost surely, 2^7990872 is an apocalyptic number.

It is an amenable number.

7990872 is an abundant number, since it is smaller than the sum of its proper divisors (12264408).

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

7990872 is a wasteful number, since it uses less digits than its factorization.

7990872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 7990872 is about 2826.8130465243. The cubic root of 7990872 is about 199.9239043843.

It can be divided in two parts, 79 and 90872, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 7990872 in words is "seven million, nine hundred ninety thousand, eight hundred seventy-two".