25392672 has 36 divisors (see below), whose sum is σ = 72211230. Its totient is φ = 8464128.

The previous prime is 25392649. The next prime is 25392673. The reversal of 25392672 is 27629352.

It can be written as a sum of positive squares in only one way, i.e., 21566736 + 3825936 = 4644^2 + 1956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25392673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43797 + ... + 44372.

Almost surely, 2^25392672 is an apocalyptic number.

It is an amenable number.

25392672 is an abundant number, since it is smaller than the sum of its proper divisors (46818558).

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

25392672 is a wasteful number, since it uses less digits than its factorization.

25392672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88185 (or 88174 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 25392672 is about 5039.1142078742. The cubic root of 25392672 is about 293.9247343081.

The spelling of 25392672 in words is "twenty-five million, three hundred ninety-two thousand, six hundred seventy-two".