25908768 has 96 divisors (see below), whose sum is σ = 76446720. Its totient is φ = 8536320.

The previous prime is 25908767. The next prime is 25908781. The reversal of 25908768 is 86780952.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (25908767) 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, 135553 + ... + 135743.

It is an arithmetic number, because the mean of its divisors is an integer number (796320).

Almost surely, 2^25908768 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 25908768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38223360).

25908768 is an abundant number, since it is smaller than the sum of its proper divisors (50537952).

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

25908768 is a wasteful number, since it uses less digits than its factorization.

25908768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 25908768 is about 5090.0656184375. The cubic root of 25908768 is about 295.9026950676.

The spelling of 25908768 in words is "twenty-five million, nine hundred eight thousand, seven hundred sixty-eight".