25624872 has 96 divisors (see below), whose sum is σ = 85438080. Its totient is φ = 6756480.

The previous prime is 25624853. The next prime is 25624883. The reversal of 25624872 is 27842652.

25624872 is a `hidden beast` number, since 25 + 624 + 8 + 7 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4597 + ... + 8507.

It is an arithmetic number, because the mean of its divisors is an integer number (889980).

Almost surely, 2^25624872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25624872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42719040).

25624872 is an abundant number, since it is smaller than the sum of its proper divisors (59813208).

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

25624872 is a wasteful number, since it uses less digits than its factorization.

25624872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943 (or 3936 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25624872 is about 5062.1015398745. The cubic root of 25624872 is about 294.8179361130.

The spelling of 25624872 in words is "twenty-five million, six hundred twenty-four thousand, eight hundred seventy-two".