25733868 has 12 divisors (see below), whose sum is σ = 60045720. Its totient is φ = 8577952.

The previous prime is 25733861. The next prime is 25733881. The reversal of 25733868 is 86833752.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25733861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072233 + ... + 1072256.

It is an arithmetic number, because the mean of its divisors is an integer number (5003810).

Almost surely, 2^25733868 is an apocalyptic number.

It is an amenable number.

25733868 is an abundant number, since it is smaller than the sum of its proper divisors (34311852).

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

25733868 is a wasteful number, since it uses less digits than its factorization.

25733868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144496 (or 2144494 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 25733868 is about 5072.8560003217. The cubic root of 25733868 is about 295.2353498696.

It can be divided in two parts, 2573 and 3868, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 25733868 in words is "twenty-five million, seven hundred thirty-three thousand, eight hundred sixty-eight".