25956972 has 108 divisors (see below), whose sum is σ = 72465120. Its totient is φ = 7820736.

The previous prime is 25956971. The next prime is 25956989. The reversal of 25956972 is 27965952.

It is not an unprimeable number, because it can be changed into a prime (25956971) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 552253 + ... + 552299.

Almost surely, 2^25956972 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 25956972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36232560).

25956972 is an abundant number, since it is smaller than the sum of its proper divisors (46508148).

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

25956972 is a wasteful number, since it uses less digits than its factorization.

25956972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 104 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 25956972 is about 5094.7985239850. The cubic root of 25956972 is about 296.0860931697.

The spelling of 25956972 in words is "twenty-five million, nine hundred fifty-six thousand, nine hundred seventy-two".