25668700 has 18 divisors (see below), whose sum is σ = 55701296. Its totient is φ = 10267440.

The previous prime is 25668697. The next prime is 25668707. The reversal of 25668700 is 786652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25668707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128244 + ... + 128443.

Almost surely, 2^25668700 is an apocalyptic number.

25668700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25668700 is an abundant number, since it is smaller than the sum of its proper divisors (30032596).

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

25668700 is a wasteful number, since it uses less digits than its factorization.

25668700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256701 (or 256694 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 25668700 is about 5066.4287224829. The cubic root of 25668700 is about 294.9859229134.

The spelling of 25668700 in words is "twenty-five million, six hundred sixty-eight thousand, seven hundred".