25738764 has 12 divisors (see below), whose sum is σ = 60057144. Its totient is φ = 8579584.

The previous prime is 25738763. The next prime is 25738777. The reversal of 25738764 is 46783752.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25738763) by changing a digit.

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, 1072437 + ... + 1072460.

It is an arithmetic number, because the mean of its divisors is an integer number (5004762).

Almost surely, 2^25738764 is an apocalyptic number.

It is an amenable number.

25738764 is an abundant number, since it is smaller than the sum of its proper divisors (34318380).

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

25738764 is a wasteful number, since it uses less digits than its factorization.

25738764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144904 (or 2144902 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 25738764 is about 5073.3385457704. The cubic root of 25738764 is about 295.2540720274.

The spelling of 25738764 in words is "twenty-five million, seven hundred thirty-eight thousand, seven hundred sixty-four".