25715760 has 80 divisors (see below), whose sum is σ = 91113216. Its totient is φ = 5877504.

The previous prime is 25715743. The next prime is 25715791. The reversal of 25715760 is 6751752.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×25715760² = 1322600624755200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5974 + ... + 9333.

Almost surely, 2^25715760 is an apocalyptic number.

25715760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25715760 is an abundant number, since it is smaller than the sum of its proper divisors (65397456).

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

25715760 is a wasteful number, since it uses less digits than its factorization.

25715760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330 (or 15324 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 25715760 is about 5071.0708928194. The cubic root of 25715760 is about 295.1660847781.

The spelling of 25715760 in words is "twenty-five million, seven hundred fifteen thousand, seven hundred sixty".