25680872 has 32 divisors (see below), whose sum is σ = 55413120. Its totient is φ = 10929600.

The previous prime is 25680859. The next prime is 25680877. The reversal of 25680872 is 27808652.

It is not an unprimeable number, because it can be changed into a prime (25680877) 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, 6938 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (1731660).

Almost surely, 2^25680872 is an apocalyptic number.

It is an amenable number.

25680872 is an abundant number, since it is smaller than the sum of its proper divisors (29732248).

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

25680872 is a wasteful number, since it uses less digits than its factorization.

25680872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3197 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 25680872 is about 5067.6298207347. The cubic root of 25680872 is about 295.0325426132.

The spelling of 25680872 in words is "twenty-five million, six hundred eighty thousand, eight hundred seventy-two".