25604704 has 48 divisors (see below), whose sum is σ = 55399680. Its totient is φ = 11594880.

The previous prime is 25604693. The next prime is 25604713. The reversal of 25604704 is 40740652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13069 + ... + 14899.

It is an arithmetic number, because the mean of its divisors is an integer number (1154160).

Almost surely, 2^25604704 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 25604704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27699840).

25604704 is an abundant number, since it is smaller than the sum of its proper divisors (29794976).

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

25604704 is a wasteful number, since it uses less digits than its factorization.

25604704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 25604704 is about 5060.1090897331. The cubic root of 25604704 is about 294.7405705400.

The spelling of 25604704 in words is "twenty-five million, six hundred four thousand, seven hundred four".