25769672 has 16 divisors (see below), whose sum is σ = 48375900. Its totient is φ = 12869440.

The previous prime is 25769659. The next prime is 25769687. The reversal of 25769672 is 27696752.

It can be written as a sum of positive squares in 2 ways, for example, as 19589476 + 6180196 = 4426^2 + 2486^2 .

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, 8522 + ... + 11142.

Almost surely, 2^25769672 is an apocalyptic number.

It is an amenable number.

25769672 is a deficient number, since it is larger than the sum of its proper divisors (22606228).

25769672 is a wasteful number, since it uses less digits than its factorization.

25769672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856 (or 3852 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 25769672 is about 5076.3837522394. The cubic root of 25769672 is about 295.3722085273.

The spelling of 25769672 in words is "twenty-five million, seven hundred sixty-nine thousand, six hundred seventy-two".