25712448 has 28 divisors (see below), whose sum is σ = 68031360. Its totient is φ = 8570752.

The previous prime is 25712443. The next prime is 25712461. The reversal of 25712448 is 84421752.

It is a super-2 number, since 2×25712448² = 1322259964305408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25712441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66768 + ... + 67151.

Almost surely, 2^25712448 is an apocalyptic number.

It is an amenable number.

25712448 is an abundant number, since it is smaller than the sum of its proper divisors (42318912).

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

25712448 is a wasteful number, since it uses less digits than its factorization.

25712448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133934 (or 133924 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 25712448 is about 5070.7443240613. The cubic root of 25712448 is about 295.1534124967.

The spelling of 25712448 in words is "twenty-five million, seven hundred twelve thousand, four hundred forty-eight".