25907772 has 24 divisors (see below), whose sum is σ = 65947392. Its totient is φ = 7850800.

The previous prime is 25907771. The next prime is 25907809. The reversal of 25907772 is 27770952.

It is a self number, because there is not a number n which added to its sum of digits gives 25907772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25907771) 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, 98004 + ... + 98267.

It is an arithmetic number, because the mean of its divisors is an integer number (2747808).

Almost surely, 2^25907772 is an apocalyptic number.

25907772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25907772 is an abundant number, since it is smaller than the sum of its proper divisors (40039620).

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

25907772 is a wasteful number, since it uses less digits than its factorization.

25907772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196289 (or 196287 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 25907772 is about 5089.9677798587. The cubic root of 25907772 is about 295.8989032642.

The spelling of 25907772 in words is "twenty-five million, nine hundred seven thousand, seven hundred seventy-two".