25090668 has 48 divisors (see below), whose sum is σ = 66447360. Its totient is φ = 8183952.

The previous prime is 25090627. The next prime is 25090669. The reversal of 25090668 is 86609052.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25090669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605 + ... + 7547.

It is an arithmetic number, because the mean of its divisors is an integer number (1384320).

Almost surely, 2^25090668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25090668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33223680).

25090668 is an abundant number, since it is smaller than the sum of its proper divisors (41356692).

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

25090668 is a wasteful number, since it uses less digits than its factorization.

25090668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 25090668 is about 5009.0585941871. The cubic root of 25090668 is about 292.7548338018.

The spelling of 25090668 in words is "twenty-five million, ninety thousand, six hundred sixty-eight".