25722368 has 40 divisors (see below), whose sum is σ = 58744752. Its totient is φ = 11022336.

The previous prime is 25722313. The next prime is 25722401. The reversal of 25722368 is 86322752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 7172.

Almost surely, 2^25722368 is an apocalyptic number.

25722368 is a gapful number since it is divisible by the number (28) 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 25722368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29372376).

25722368 is an abundant number, since it is smaller than the sum of its proper divisors (33022384).

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

25722368 is an frugal number, since it uses more digits than its factorization.

25722368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202 (or 7186 counting only the distinct ones).

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

The square root of 25722368 is about 5071.7223898790. The cubic root of 25722368 is about 295.1913648715.

The spelling of 25722368 in words is "twenty-five million, seven hundred twenty-two thousand, three hundred sixty-eight".