25726572 has 60 divisors (see below), whose sum is σ = 67732896. Its totient is φ = 8514720.

The previous prime is 25726541. The next prime is 25726573. The reversal of 25726572 is 27562752.

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 (25726573) 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, 87658 + ... + 87950.

Almost surely, 2^25726572 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 25726572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33866448).

25726572 is an abundant number, since it is smaller than the sum of its proper divisors (42006324).

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

25726572 is a wasteful number, since it uses less digits than its factorization.

25726572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 569 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 25726572 is about 5072.1368278074. The cubic root of 25726572 is about 295.2074457769.

The spelling of 25726572 in words is "twenty-five million, seven hundred twenty-six thousand, five hundred seventy-two".