25728960 has 56 divisors (see below), whose sum is σ = 81692496. Its totient is φ = 6860800.

The previous prime is 25728917. The next prime is 25728971. The reversal of 25728960 is 6982752.

It is a happy number.

It is a congruent number.

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, 12441 + ... + 14360.

Almost surely, 2^25728960 is an apocalyptic number.

25728960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25728960 is an abundant number, since it is smaller than the sum of its proper divisors (55963536).

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

25728960 is a wasteful number, since it uses less digits than its factorization.

25728960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26821 (or 26811 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 25728960 is about 5072.3722260891. The cubic root of 25728960 is about 295.2165794406.

The spelling of 25728960 in words is "twenty-five million, seven hundred twenty-eight thousand, nine hundred sixty".