25682472 has 24 divisors (see below), whose sum is σ = 69556890. Its totient is φ = 8560800.

The previous prime is 25682453. The next prime is 25682473. The reversal of 25682472 is 27428652.

25682472 is a `hidden beast` number, since 2 + 568 + 24 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19660356 + 6022116 = 4434^2 + 2454^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25682473) 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 5 ways as a sum of consecutive naturals, for example, 178279 + ... + 178422.

Almost surely, 2^25682472 is an apocalyptic number.

It is an amenable number.

25682472 is an abundant number, since it is smaller than the sum of its proper divisors (43874418).

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

25682472 is a wasteful number, since it uses less digits than its factorization.

25682472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356713 (or 356706 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25682472 is about 5067.7876830033. The cubic root of 25682472 is about 295.0386696412.

It can be divided in two parts, 256 and 82472, that added together give a palindrome (82728).

The spelling of 25682472 in words is "twenty-five million, six hundred eighty-two thousand, four hundred seventy-two".