25791372 has 60 divisors (see below), whose sum is σ = 70375536. Its totient is φ = 8220960.

The previous prime is 25791371. The next prime is 25791383. The reversal of 25791372 is 27319752.

25791372 is a `hidden beast` number, since 2 + 579 + 13 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25791371) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 5722 + ... + 9182.

Almost surely, 2^25791372 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 25791372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35187768).

25791372 is an abundant number, since it is smaller than the sum of its proper divisors (44584164).

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

25791372 is a wasteful number, since it uses less digits than its factorization.

25791372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3489 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 25791372 is about 5078.5206507407. The cubic root of 25791372 is about 295.4550937971.

The spelling of 25791372 in words is "twenty-five million, seven hundred ninety-one thousand, three hundred seventy-two".