25716732 has 48 divisors (see below), whose sum is σ = 62856192. Its totient is φ = 8173440.

The previous prime is 25716689. The next prime is 25716749. The reversal of 25716732 is 23761752.

It is a super-2 number, since 2×25716732² = 1322700609519648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25716693 and 25716702.

It is a congruent number.

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, 26683 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (1309504).

Almost surely, 2^25716732 is an apocalyptic number.

It is an amenable number.

25716732 is an abundant number, since it is smaller than the sum of its proper divisors (37139460).

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

25716732 is a wasteful number, since it uses less digits than its factorization.

25716732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1056 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 25716732 is about 5071.1667296590. The cubic root of 25716732 is about 295.1698036107.

The spelling of 25716732 in words is "twenty-five million, seven hundred sixteen thousand, seven hundred thirty-two".