7925720 has 32 divisors (see below), whose sum is σ = 19455120. Its totient is φ = 2881920.

The previous prime is 7925719. The next prime is 7925737. The reversal of 7925720 is 275297.

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, 8567 + ... + 9446.

Almost surely, 2^7925720 is an apocalyptic number.

It is an amenable number.

7925720 is an abundant number, since it is smaller than the sum of its proper divisors (11529400).

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

7925720 is a wasteful number, since it uses less digits than its factorization.

7925720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18035 (or 18031 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7925720 is about 2815.2655292174. The cubic root of 7925720 is about 199.3790742510.

The spelling of 7925720 in words is "seven million, nine hundred twenty-five thousand, seven hundred twenty".