7668320025 has 24 divisors (see below), whose sum is σ = 12718833760. Its totient is φ = 4076691840.

The previous prime is 7668320017. The next prime is 7668320047. The reversal of 7668320025 is 5200238667.

It is not a de Polignac number, because 7668320025 - 2³ = 7668320017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139855 + ... + 186804.

Almost surely, 2^7668320025 is an apocalyptic number.

7668320025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7668320025 is a deficient number, since it is larger than the sum of its proper divisors (5050513735).

7668320025 is a wasteful number, since it uses less digits than its factorization.

7668320025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326985 (or 326980 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 7668320025 is about 87568.9444095337. The cubic root of 7668320025 is about 1971.9689681319.

The spelling of 7668320025 in words is "seven billion, six hundred sixty-eight million, three hundred twenty thousand, twenty-five".