25873320 has 128 divisors (see below), whose sum is σ = 89735040. Its totient is φ = 5898240.

The previous prime is 25873319. The next prime is 25873327. The reversal of 25873320 is 2337852.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is not an unprimeable number, because it can be changed into a prime (25873327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21864 + ... + 23016.

It is an arithmetic number, because the mean of its divisors is an integer number (701055).

Almost surely, 2^25873320 is an apocalyptic number.

25873320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25873320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44867520).

25873320 is an abundant number, since it is smaller than the sum of its proper divisors (63861720).

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

25873320 is a wasteful number, since it uses less digits than its factorization.

25873320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 25873320 is about 5086.5823496725. The cubic root of 25873320 is about 295.7676835523.

The spelling of 25873320 in words is "twenty-five million, eight hundred seventy-three thousand, three hundred twenty".