7925728 has 24 divisors (see below), whose sum is σ = 15685488. Its totient is φ = 3942144.

The previous prime is 7925719. The next prime is 7925737. The reversal of 7925728 is 8275297.

It is an interprime number because it is at equal distance from previous prime (7925719) and next prime (7925737).

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, 6925 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^7925728 is an apocalyptic number.

It is an amenable number.

7925728 is a deficient number, since it is larger than the sum of its proper divisors (7759760).

7925728 is a wasteful number, since it uses less digits than its factorization.

7925728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1298 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 7925728 is about 2815.2669500422. The cubic root of 7925728 is about 199.3791413336.

The spelling of 7925728 in words is "seven million, nine hundred twenty-five thousand, seven hundred twenty-eight".