7925715 has 32 divisors (see below), whose sum is σ = 16104960. Its totient is φ = 3622752.

The previous prime is 7925711. The next prime is 7925719. The reversal of 7925715 is 5175297.

It is an interprime number because it is at equal distance from previous prime (7925711) and next prime (7925719).

It is not a de Polignac number, because 7925715 - 2² = 7925711 is a prime.

It is a super-2 number, since 2×7925715² = 125633916522450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7925715.

It is not an unprimeable number, because it can be changed into a prime (7925711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3249 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (503280).

Almost surely, 2^7925715 is an apocalyptic number.

7925715 is an abundant number, since it is smaller than the sum of its proper divisors (8179245).

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

7925715 is a wasteful number, since it uses less digits than its factorization.

7925715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408 (or 8402 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 7925715 is about 2815.2646412016. The cubic root of 7925715 is about 199.3790323244.

The spelling of 7925715 in words is "seven million, nine hundred twenty-five thousand, seven hundred fifteen".