25795872 has 72 divisors (see below), whose sum is σ = 75099024. Its totient is φ = 8394624.

The previous prime is 25795843. The next prime is 25795873. The reversal of 25795872 is 27859752.

It is a happy number.

25795872 is a `hidden beast` number, since 2 + 579 + 5 + 8 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (25795873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11343 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (1043042).

Almost surely, 2^25795872 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 25795872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37549512).

25795872 is an abundant number, since it is smaller than the sum of its proper divisors (49303152).

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

25795872 is a wasteful number, since it uses less digits than its factorization.

25795872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2131 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 25795872 is about 5078.9636738217. The cubic root of 25795872 is about 295.4722761660.

The spelling of 25795872 in words is "twenty-five million, seven hundred ninety-five thousand, eight hundred seventy-two".