25720714 has 16 divisors (see below), whose sum is σ = 39234888. Its totient is φ = 12644352.

The previous prime is 25720691. The next prime is 25720727. The reversal of 25720714 is 41702752.

It can be written as a sum of positive squares in 4 ways, for example, as 24850225 + 870489 = 4985^2 + 933^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37882 + ... + 38554.

Almost surely, 2^25720714 is an apocalyptic number.

25720714 is a deficient number, since it is larger than the sum of its proper divisors (13514174).

25720714 is a wasteful number, since it uses less digits than its factorization.

25720714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 25720714 is about 5071.5593262822. The cubic root of 25720714 is about 295.1850376031.

The spelling of 25720714 in words is "twenty-five million, seven hundred twenty thousand, seven hundred fourteen".