25866772 has 24 divisors (see below), whose sum is σ = 46941440. Its totient is φ = 12458880.

The previous prime is 25866769. The next prime is 25866773. The reversal of 25866772 is 27766852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25866773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41479 + ... + 42097.

Almost surely, 2^25866772 is an apocalyptic number.

It is an amenable number.

25866772 is a deficient number, since it is larger than the sum of its proper divisors (21074668).

25866772 is a wasteful number, since it uses less digits than its factorization.

25866772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 989 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 25866772 is about 5085.9386547618. The cubic root of 25866772 is about 295.7427305609.

The spelling of 25866772 in words is "twenty-five million, eight hundred sixty-six thousand, seven hundred seventy-two".