25664968 has 32 divisors (see below), whose sum is σ = 58233600. Its totient is φ = 10351872.

The previous prime is 25664959. The next prime is 25664983. The reversal of 25664968 is 86946652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12528 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (1819800).

Almost surely, 2^25664968 is an apocalyptic number.

25664968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25664968 is an abundant number, since it is smaller than the sum of its proper divisors (32568632).

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

25664968 is a wasteful number, since it uses less digits than its factorization.

25664968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26989 (or 26985 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 25664968 is about 5066.0604023245. The cubic root of 25664968 is about 294.9716261133.

The spelling of 25664968 in words is "twenty-five million, six hundred sixty-four thousand, nine hundred sixty-eight".