25692320 has 48 divisors (see below), whose sum is σ = 61326720. Its totient is φ = 10170624.

The previous prime is 25692307. The next prime is 25692323. The reversal of 25692320 is 2329652.

It is not an unprimeable number, because it can be changed into a prime (25692323) 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, 15701 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^25692320 is an apocalyptic number.

25692320 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 25692320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30663360).

25692320 is an abundant number, since it is smaller than the sum of its proper divisors (35634400).

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

25692320 is a wasteful number, since it uses less digits than its factorization.

25692320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 25692320 is about 5068.7592170076. The cubic root of 25692320 is about 295.0763758962.

The spelling of 25692320 in words is "twenty-five million, six hundred ninety-two thousand, three hundred twenty".