25947668 has 12 divisors (see below), whose sum is σ = 45825780. Its totient is φ = 12854592.

The previous prime is 25947667. The next prime is 25947679. The reversal of 25947668 is 86674952.

It can be written as a sum of positive squares in 2 ways, for example, as 5895184 + 20052484 = 2428^2 + 4478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25947667) 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 3 ways as a sum of consecutive naturals, for example, 29321 + ... + 30192.

It is an arithmetic number, because the mean of its divisors is an integer number (3818815).

Almost surely, 2^25947668 is an apocalyptic number.

It is an amenable number.

25947668 is a deficient number, since it is larger than the sum of its proper divisors (19878112).

25947668 is a wasteful number, since it uses less digits than its factorization.

25947668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59626 (or 59624 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 25947668 is about 5093.8853540299. The cubic root of 25947668 is about 296.0507126405.

The spelling of 25947668 in words is "twenty-five million, nine hundred forty-seven thousand, six hundred sixty-eight".