25680716 has 12 divisors (see below), whose sum is σ = 45285240. Its totient is φ = 12742080.

The previous prime is 25680691. The next prime is 25680731. The reversal of 25680716 is 61708652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23981 + ... + 25028.

It is an arithmetic number, because the mean of its divisors is an integer number (3773770).

Almost surely, 2^25680716 is an apocalyptic number.

It is an amenable number.

25680716 is a deficient number, since it is larger than the sum of its proper divisors (19604524).

25680716 is a wasteful number, since it uses less digits than its factorization.

25680716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49144 (or 49142 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 25680716 is about 5067.6144289004. The cubic root of 25680716 is about 295.0319452143.

The spelling of 25680716 in words is "twenty-five million, six hundred eighty thousand, seven hundred sixteen".