7900625 has 10 divisors (see below), whose sum is σ = 9873402. Its totient is φ = 6320000.

The previous prime is 7900609. The next prime is 7900663. The reversal of 7900625 is 5260097.

It can be written as a sum of positive squares in 5 ways, for example, as 6031936 + 1868689 = 2456^2 + 1367^2 .

It is not a de Polignac number, because 7900625 - 2⁴ = 7900609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5696 + ... + 6945.

Almost surely, 2^7900625 is an apocalyptic number.

It is an amenable number.

7900625 is a deficient number, since it is larger than the sum of its proper divisors (1972777).

7900625 is an equidigital number, since it uses as much as digits as its factorization.

7900625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661 (or 12646 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 7900625 is about 2810.8050448226. The cubic root of 7900625 is about 199.1684221838.

The spelling of 7900625 in words is "seven million, nine hundred thousand, six hundred twenty-five".