25726266 has 24 divisors (see below), whose sum is σ = 58674720. Its totient is φ = 8123976.

The previous prime is 25726237. The next prime is 25726273. The reversal of 25726266 is 66262752.

25726266 is a `hidden beast` number, since 25 + 7 + 2 + 626 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25726266.

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 11 ways as a sum of consecutive naturals, for example, 37270 + ... + 37953.

It is an arithmetic number, because the mean of its divisors is an integer number (2444780).

Almost surely, 2^25726266 is an apocalyptic number.

25726266 is an abundant number, since it is smaller than the sum of its proper divisors (32948454).

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

25726266 is a wasteful number, since it uses less digits than its factorization.

25726266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75250 (or 75247 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25726266 is about 5072.1066629163. The cubic root of 25726266 is about 295.2062753420.

The spelling of 25726266 in words is "twenty-five million, seven hundred twenty-six thousand, two hundred sixty-six".