25882728 has 32 divisors (see below), whose sum is σ = 67521600. Its totient is φ = 8252288.

The previous prime is 25882723. The next prime is 25882729. The reversal of 25882728 is 82728852.

It is a self number, because there is not a number n which added to its sum of digits gives 25882728.

It is not an unprimeable number, because it can be changed into a prime (25882723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22893 + ... + 23996.

It is an arithmetic number, because the mean of its divisors is an integer number (2110050).

Almost surely, 2^25882728 is an apocalyptic number.

It is an amenable number.

25882728 is an abundant number, since it is smaller than the sum of its proper divisors (41638872).

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

25882728 is a wasteful number, since it uses less digits than its factorization.

25882728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46921 (or 46917 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 25882728 is about 5087.5070515922. The cubic root of 25882728 is about 295.8035280074.

The spelling of 25882728 in words is "twenty-five million, eight hundred eighty-two thousand, seven hundred twenty-eight".