25743872 has 80 divisors (see below), whose sum is σ = 64228032. Its totient is φ = 10014720.

The previous prime is 25743871. The next prime is 25743881. The reversal of 25743872 is 27834752.

It is not an unprimeable number, because it can be changed into a prime (25743871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39098 + ... + 39750.

Almost surely, 2^25743872 is an apocalyptic number.

25743872 is a gapful number since it is divisible by the number (22) 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 25743872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32114016).

25743872 is an abundant number, since it is smaller than the sum of its proper divisors (38484160).

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

25743872 is an equidigital number, since it uses as much as digits as its factorization.

25743872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 673 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 25743872 is about 5073.8419368364. The cubic root of 25743872 is about 295.2736023364.

It can be divided in two parts, 2574 and 3872, that added together give a palindrome (6446).

The spelling of 25743872 in words is "twenty-five million, seven hundred forty-three thousand, eight hundred seventy-two".