7915920 has 40 divisors (see below), whose sum is σ = 24540096. Its totient is φ = 2110848.

The previous prime is 7915903. The next prime is 7915969. The reversal of 7915920 is 295197.

It is a tau number, because it is divible by the number of its divisors (40).

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, 16252 + ... + 16731.

Almost surely, 2^7915920 is an apocalyptic number.

It is an amenable number.

7915920 is an abundant number, since it is smaller than the sum of its proper divisors (16624176).

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

7915920 is a wasteful number, since it uses less digits than its factorization.

7915920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32999 (or 32993 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 7915920 is about 2813.5244800783. The cubic root of 7915920 is about 199.2968642307.

The spelling of 7915920 in words is "seven million, nine hundred fifteen thousand, nine hundred twenty".