25047672 has 64 divisors (see below), whose sum is σ = 69041280. Its totient is φ = 7523712.

The previous prime is 25047653. The next prime is 25047703. The reversal of 25047672 is 27674052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12483 + ... + 14349.

It is an arithmetic number, because the mean of its divisors is an integer number (1078770).

Almost surely, 2^25047672 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 25047672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34520640).

25047672 is an abundant number, since it is smaller than the sum of its proper divisors (43993608).

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

25047672 is a wasteful number, since it uses less digits than its factorization.

25047672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 25047672 is about 5004.7649295446. The cubic root of 25047672 is about 292.5875141746.

The spelling of 25047672 in words is "twenty-five million, forty-seven thousand, six hundred seventy-two".