25674870 has 64 divisors (see below), whose sum is σ = 67947264. Its totient is φ = 6168960.

The previous prime is 25674799. The next prime is 25674893. The reversal of 25674870 is 7847652.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 31 ways as a sum of consecutive naturals, for example, 16005 + ... + 17535.

It is an arithmetic number, because the mean of its divisors is an integer number (1061676).

Almost surely, 2^25674870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25674870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33973632).

25674870 is an abundant number, since it is smaller than the sum of its proper divisors (42272394).

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

25674870 is a wasteful number, since it uses less digits than its factorization.

25674870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 25674870 is about 5067.0375960713. The cubic root of 25674870 is about 295.0095563312.

The spelling of 25674870 in words is "twenty-five million, six hundred seventy-four thousand, eight hundred seventy".