25452672 has 128 divisors (see below), whose sum is σ = 81959040. Its totient is φ = 6832128.

The previous prime is 25452671. The next prime is 25452701. The reversal of 25452672 is 27625452.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (25452671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45418 + ... + 45974.

It is an arithmetic number, because the mean of its divisors is an integer number (640305).

Almost surely, 2^25452672 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 25452672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40979520).

25452672 is an abundant number, since it is smaller than the sum of its proper divisors (56506368).

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

25452672 is a wasteful number, since it uses less digits than its factorization.

25452672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 586 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 25452672 is about 5045.0641224865. The cubic root of 25452672 is about 294.1560557965.

The spelling of 25452672 in words is "twenty-five million, four hundred fifty-two thousand, six hundred seventy-two".