25769668 has 12 divisors (see below), whose sum is σ = 45278352. Its totient is φ = 12833000.

The previous prime is 25769659. The next prime is 25769687. The reversal of 25769668 is 86696752.

It is a happy number.

Its product of digits (1088640) is a multiple of the sum of its prime divisors (25920).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11830 + ... + 13837.

It is an arithmetic number, because the mean of its divisors is an integer number (3773196).

Almost surely, 2^25769668 is an apocalyptic number.

It is an amenable number.

25769668 is a deficient number, since it is larger than the sum of its proper divisors (19508684).

25769668 is a wasteful number, since it uses less digits than its factorization.

25769668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25922 (or 25920 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 25769668 is about 5076.3833582581. The cubic root of 25769668 is about 295.3721932446.

The spelling of 25769668 in words is "twenty-five million, seven hundred sixty-nine thousand, six hundred sixty-eight".