25719472 has 20 divisors (see below), whose sum is σ = 50052600. Its totient is φ = 12802688.

The previous prime is 25719439. The next prime is 25719493. The reversal of 25719472 is 27491752.

It is a super-2 number, since 2×25719472² = 1322982479917568, which contains 22 as substring.

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, 279 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (2502630).

Almost surely, 2^25719472 is an apocalyptic number.

It is an amenable number.

25719472 is a deficient number, since it is larger than the sum of its proper divisors (24333128).

25719472 is a wasteful number, since it uses less digits than its factorization.

25719472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140 (or 7134 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 25719472 is about 5071.4368772568. The cubic root of 25719472 is about 295.1802862353.

The spelling of 25719472 in words is "twenty-five million, seven hundred nineteen thousand, four hundred seventy-two".