25318672 has 20 divisors (see below), whose sum is σ = 49278096. Its totient is φ = 12601760.

The previous prime is 25318669. The next prime is 25318679. The reversal of 25318672 is 27681352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25318679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147 + ... + 7117.

Almost surely, 2^25318672 is an apocalyptic number.

It is an amenable number.

25318672 is a deficient number, since it is larger than the sum of its proper divisors (23959424).

25318672 is a wasteful number, since it uses less digits than its factorization.

25318672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206 (or 7200 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 25318672 is about 5031.7662902802. The cubic root of 25318672 is about 293.6389354081.

The spelling of 25318672 in words is "twenty-five million, three hundred eighteen thousand, six hundred seventy-two".