25327680 has 112 divisors (see below), whose sum is σ = 91927680. Its totient is φ = 5787648.

The previous prime is 25327667. The next prime is 25327723. The reversal of 25327680 is 8672352.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4836 + ... + 8604.

Almost surely, 2^25327680 is an apocalyptic number.

25327680 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 25327680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45963840).

25327680 is an abundant number, since it is smaller than the sum of its proper divisors (66600000).

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

25327680 is a wasteful number, since it uses less digits than its factorization.

25327680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 25327680 is about 5032.6613237928. The cubic root of 25327680 is about 293.6737553742.

The spelling of 25327680 in words is "twenty-five million, three hundred twenty-seven thousand, six hundred eighty".