25598720 has 72 divisors (see below), whose sum is σ = 70101024. Its totient is φ = 8773632.

The previous prime is 25598707. The next prime is 25598723. The reversal of 25598720 is 2789552.

It is not an unprimeable number, because it can be changed into a prime (25598723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7532 + ... + 10388.

Almost surely, 2^25598720 is an apocalyptic number.

25598720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25598720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35050512).

25598720 is an abundant number, since it is smaller than the sum of its proper divisors (44502304).

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

25598720 is an equidigital number, since it uses as much as digits as its factorization.

25598720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 25598720 is about 5059.5177635818. The cubic root of 25598720 is about 294.7176077674.

The spelling of 25598720 in words is "twenty-five million, five hundred ninety-eight thousand, seven hundred twenty".