25734680 has 64 divisors (see below), whose sum is σ = 60264000. Its totient is φ = 9884160.

The previous prime is 25734673. The next prime is 25734691. The reversal of 25734680 is 8643752.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25734680.

It is a congruent number.

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, 129221 + ... + 129419.

It is an arithmetic number, because the mean of its divisors is an integer number (941625).

Almost surely, 2^25734680 is an apocalyptic number.

25734680 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 25734680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30132000).

25734680 is an abundant number, since it is smaller than the sum of its proper divisors (34529320).

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

25734680 is a wasteful number, since it uses less digits than its factorization.

25734680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25734680 is about 5072.9360335017. The cubic root of 25734680 is about 295.2384550976.

The spelling of 25734680 in words is "twenty-five million, seven hundred thirty-four thousand, six hundred eighty".