25007664 has 40 divisors (see below), whose sum is σ = 70477632. Its totient is φ = 7577920.

The previous prime is 25007659. The next prime is 25007677. The reversal of 25007664 is 46670052.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23154 + ... + 24209.

Almost surely, 2^25007664 is an apocalyptic number.

25007664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25007664 is an abundant number, since it is smaller than the sum of its proper divisors (45469968).

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

25007664 is a wasteful number, since it uses less digits than its factorization.

25007664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47385 (or 47379 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 25007664 is about 5000.7663412721. The cubic root of 25007664 is about 292.4316503311.

The spelling of 25007664 in words is "twenty-five million, seven thousand, six hundred sixty-four".