25679568 has 40 divisors (see below), whose sum is σ = 66710016. Its totient is φ = 8512000.

The previous prime is 25679567. The next prime is 25679579. The reversal of 25679568 is 86597652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25679567) by changing a digit.

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, 7768 + ... + 10568.

Almost surely, 2^25679568 is an apocalyptic number.

It is an amenable number.

25679568 is an abundant number, since it is smaller than the sum of its proper divisors (41030448).

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

25679568 is a wasteful number, since it uses less digits than its factorization.

25679568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2997 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 25679568 is about 5067.5011593487. The cubic root of 25679568 is about 295.0275488971.

The spelling of 25679568 in words is "twenty-five million, six hundred seventy-nine thousand, five hundred sixty-eight".