25789272 has 64 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 7825920.

The previous prime is 25789271. The next prime is 25789307. The reversal of 25789272 is 27298752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25789271) 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, 11629 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^25789272 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 25789272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35251200).

25789272 is an abundant number, since it is smaller than the sum of its proper divisors (44713128).

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

25789272 is a wasteful number, since it uses less digits than its factorization.

25789272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2092 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 25789272 is about 5078.3138934099. The cubic root of 25789272 is about 295.4470746743.

The spelling of 25789272 in words is "twenty-five million, seven hundred eighty-nine thousand, two hundred seventy-two".