25700668 has 24 divisors (see below), whose sum is σ = 54425952. Its totient is φ = 10366464.

The previous prime is 25700659. The next prime is 25700669. The reversal of 25700668 is 86600752.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25700669) 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, 26521 + ... + 27472.

It is an arithmetic number, because the mean of its divisors is an integer number (2267748).

Almost surely, 2^25700668 is an apocalyptic number.

25700668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25700668 is an abundant number, since it is smaller than the sum of its proper divisors (28725284).

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

25700668 is a wasteful number, since it uses less digits than its factorization.

25700668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54021 (or 54019 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 25700668 is about 5069.5826258184. The cubic root of 25700668 is about 295.1083313709.

The spelling of 25700668 in words is "twenty-five million, seven hundred thousand, six hundred sixty-eight".