25732896 has 96 divisors (see below), whose sum is σ = 78019200. Its totient is φ = 7274496.

The previous prime is 25732879. The next prime is 25732901. The reversal of 25732896 is 69823752.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 100000 + ... + 100256.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^25732896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25732896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39009600).

25732896 is an abundant number, since it is smaller than the sum of its proper divisors (52286304).

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

25732896 is a wasteful number, since it uses less digits than its factorization.

25732896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 25732896 is about 5072.7601953966. The cubic root of 25732896 is about 295.2316326881.

It can be divided in two parts, 257 and 32896, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 25732896 in words is "twenty-five million, seven hundred thirty-two thousand, eight hundred ninety-six".