25642752 has 72 divisors (see below), whose sum is σ = 68997264. Its totient is φ = 8454144.

The previous prime is 25642741. The next prime is 25642759. The reversal of 25642752 is 25724652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25642759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132768 + ... + 132960.

Almost surely, 2^25642752 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 25642752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34498632).

25642752 is an abundant number, since it is smaller than the sum of its proper divisors (43354512).

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

25642752 is a wasteful number, since it uses less digits than its factorization.

25642752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 371 counting only the distinct ones).

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

The square root of 25642752 is about 5063.8672968394. The cubic root of 25642752 is about 294.8864908506.

The spelling of 25642752 in words is "twenty-five million, six hundred forty-two thousand, seven hundred fifty-two".