25720750 has 64 divisors (see below), whose sum is σ = 53913600. Its totient is φ = 9108000.

The previous prime is 25720729. The next prime is 25720759. The reversal of 25720750 is 5702752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25720759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129151 + ... + 129349.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^25720750 is an apocalyptic number.

25720750 is an abundant number, since it is smaller than the sum of its proper divisors (28192850).

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

25720750 is a wasteful number, since it uses less digits than its factorization.

25720750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 25720750 is about 5071.5628754852. The cubic root of 25720750 is about 295.1851753216.

The spelling of 25720750 in words is "twenty-five million, seven hundred twenty thousand, seven hundred fifty".