25632766 has 16 divisors (see below), whose sum is σ = 39424320. Its totient is φ = 12493600.

The previous prime is 25632751. The next prime is 25632799. The reversal of 25632766 is 66723652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36216 + ... + 36916.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 2^25632766 is an apocalyptic number.

25632766 is a deficient number, since it is larger than the sum of its proper divisors (13791554).

25632766 is a wasteful number, since it uses less digits than its factorization.

25632766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its digits is 90720, while the sum is 37.

The square root of 25632766 is about 5062.8811955249. The cubic root of 25632766 is about 294.8482068834.

It can be divided in two parts, 2563 and 2766, that added together give a square (5329 = 73²).

The spelling of 25632766 in words is "twenty-five million, six hundred thirty-two thousand, seven hundred sixty-six".