25716716 has 24 divisors (see below), whose sum is σ = 47809440. Its totient is φ = 12061952.

The previous prime is 25716689. The next prime is 25716749. The reversal of 25716716 is 61761752.

It is a super-2 number, since 2×25716716² = 1322698963649312, which contains 22 as substring.

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, 34241 + ... + 34983.

It is an arithmetic number, because the mean of its divisors is an integer number (1992060).

Almost surely, 2^25716716 is an apocalyptic number.

It is an amenable number.

25716716 is a deficient number, since it is larger than the sum of its proper divisors (22092724).

25716716 is a wasteful number, since it uses less digits than its factorization.

25716716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1271 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 25716716 is about 5071.1651521125. The cubic root of 25716716 is about 295.1697423961.

The spelling of 25716716 in words is "twenty-five million, seven hundred sixteen thousand, seven hundred sixteen".