25607668 has 48 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 11585376.

The previous prime is 25607653. The next prime is 25607669. The reversal of 25607668 is 86670652.

It is a self number, because there is not a number n which added to its sum of digits gives 25607668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25607669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239271 + ... + 239377.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^25607668 is an apocalyptic number.

It is an amenable number.

25607668 is a deficient number, since it is larger than the sum of its proper divisors (23744012).

25607668 is a wasteful number, since it uses less digits than its factorization.

25607668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 25607668 is about 5060.4019603190. The cubic root of 25607668 is about 294.7519431553.

The spelling of 25607668 in words is "twenty-five million, six hundred seven thousand, six hundred sixty-eight".