25668692 has 24 divisors (see below), whose sum is σ = 51455040. Its totient is φ = 10975680.

The previous prime is 25668689. The next prime is 25668697. The reversal of 25668692 is 29686652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25668697) 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, 16592 + ... + 18072.

It is an arithmetic number, because the mean of its divisors is an integer number (2143960).

Almost surely, 2^25668692 is an apocalyptic number.

It is an amenable number.

25668692 is an abundant number, since it is smaller than the sum of its proper divisors (25786348).

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

25668692 is a wasteful number, since it uses less digits than its factorization.

25668692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111 (or 2109 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 25668692 is about 5066.4279329721. The cubic root of 25668692 is about 294.9858922680.

The spelling of 25668692 in words is "twenty-five million, six hundred sixty-eight thousand, six hundred ninety-two".