25715968 has 72 divisors (see below), whose sum is σ = 57395520. Its totient is φ = 11427840.

The previous prime is 25715959. The next prime is 25715969. The reversal of 25715968 is 86951752.

It is a super-2 number, since 2×25715968² = 1322622020354048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25715969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82533 + ... + 82843.

It is an arithmetic number, because the mean of its divisors is an integer number (797160).

Almost surely, 2^25715968 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 25715968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28697760).

25715968 is an abundant number, since it is smaller than the sum of its proper divisors (31679552).

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

25715968 is a wasteful number, since it uses less digits than its factorization.

25715968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 349 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 25715968 is about 5071.0914012666. The cubic root of 25715968 is about 295.1668805856.

The spelling of 25715968 in words is "twenty-five million, seven hundred fifteen thousand, nine hundred sixty-eight".