25572756 has 48 divisors (see below), whose sum is σ = 65576448. Its totient is φ = 7692000.

The previous prime is 25572749. The next prime is 25572769. The reversal of 25572756 is 65727552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19291 + ... + 20573.

It is an arithmetic number, because the mean of its divisors is an integer number (1366176).

Almost surely, 2^25572756 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 25572756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32788224).

25572756 is an abundant number, since it is smaller than the sum of its proper divisors (40003692).

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

25572756 is a wasteful number, since it uses less digits than its factorization.

25572756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1450 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 25572756 is about 5056.9512554503. The cubic root of 25572756 is about 294.6179330375.

The spelling of 25572756 in words is "twenty-five million, five hundred seventy-two thousand, seven hundred fifty-six".