25074664 has 16 divisors (see below), whose sum is σ = 47482020. Its totient is φ = 12412800.

The previous prime is 25074653. The next prime is 25074667. The reversal of 25074664 is 46647052.

It can be written as a sum of positive squares in 2 ways, for example, as 21622500 + 3452164 = 4650^2 + 1858^2 .

It is not an unprimeable number, because it can be changed into a prime (25074667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14709 + ... + 16324.

Almost surely, 2^25074664 is an apocalyptic number.

It is an amenable number.

25074664 is a deficient number, since it is larger than the sum of its proper divisors (22407356).

25074664 is a wasteful number, since it uses less digits than its factorization.

25074664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31140 (or 31136 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 25074664 is about 5007.4608335962. The cubic root of 25074664 is about 292.6925763273.

The spelling of 25074664 in words is "twenty-five million, seventy-four thousand, six hundred sixty-four".