25943970 has 32 divisors (see below), whose sum is σ = 67056192. Its totient is φ = 6386112.

The previous prime is 25943963. The next prime is 25944001. The reversal of 25943970 is 7934952.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32872 + ... + 33651.

It is an arithmetic number, because the mean of its divisors is an integer number (2095506).

Almost surely, 2^25943970 is an apocalyptic number.

25943970 is an abundant number, since it is smaller than the sum of its proper divisors (41112222).

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

25943970 is a wasteful number, since it uses less digits than its factorization.

25943970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66546.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 25943970 is about 5093.5223568764. The cubic root of 25943970 is about 296.0366478243.

The spelling of 25943970 in words is "twenty-five million, nine hundred forty-three thousand, nine hundred seventy".