25720752 has 20 divisors (see below), whose sum is σ = 66445400. Its totient is φ = 8573568.

The previous prime is 25720729. The next prime is 25720759. The reversal of 25720752 is 25702752.

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 3 ways as a sum of consecutive naturals, for example, 267877 + ... + 267972.

It is an arithmetic number, because the mean of its divisors is an integer number (3322270).

Almost surely, 2^25720752 is an apocalyptic number.

It is an amenable number.

25720752 is an abundant number, since it is smaller than the sum of its proper divisors (40724648).

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

25720752 is a wasteful number, since it uses less digits than its factorization.

25720752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535860 (or 535854 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25720752 is about 5071.5630726631. The cubic root of 25720752 is about 295.1851829726.

The spelling of 25720752 in words is "twenty-five million, seven hundred twenty thousand, seven hundred fifty-two".