25773568 has 40 divisors (see below), whose sum is σ = 52295760. Its totient is φ = 12687360.

The previous prime is 25773551. The next prime is 25773613. The reversal of 25773568 is 86537752.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35998 + ... + 36706.

It is an arithmetic number, because the mean of its divisors is an integer number (1307394).

Almost surely, 2^25773568 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 25773568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26147880).

25773568 is an abundant number, since it is smaller than the sum of its proper divisors (26522192).

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

25773568 is an frugal number, since it uses more digits than its factorization.

25773568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 782 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 25773568 is about 5076.7674754710. The cubic root of 25773568 is about 295.3870931060.

The spelling of 25773568 in words is "twenty-five million, seven hundred seventy-three thousand, five hundred sixty-eight".