25820768 has 24 divisors (see below), whose sum is σ = 52476480. Its totient is φ = 12493440.

The previous prime is 25820747. The next prime is 25820777. The reversal of 25820768 is 86702852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12023 + ... + 14006.

It is an arithmetic number, because the mean of its divisors is an integer number (2186520).

Almost surely, 2^25820768 is an apocalyptic number.

It is an amenable number.

25820768 is an abundant number, since it is smaller than the sum of its proper divisors (26655712).

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

25820768 is a wasteful number, since it uses less digits than its factorization.

25820768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26070 (or 26062 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 25820768 is about 5081.4139764440. The cubic root of 25820768 is about 295.5673005762.

The spelling of 25820768 in words is "twenty-five million, eight hundred twenty thousand, seven hundred sixty-eight".