25679268 has 72 divisors (see below), whose sum is σ = 69713280. Its totient is φ = 8255520.

The previous prime is 25679267. The next prime is 25679321. The reversal of 25679268 is 86297652.

Its product of digits (362880) is a multiple of the sum of its prime divisors (945).

It is not an unprimeable number, because it can be changed into a prime (25679261) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27733 + ... + 28643.

It is an arithmetic number, because the mean of its divisors is an integer number (968240).

Almost surely, 2^25679268 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 25679268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34856640).

25679268 is an abundant number, since it is smaller than the sum of its proper divisors (44034012).

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

25679268 is a wasteful number, since it uses less digits than its factorization.

25679268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 945 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 25679268 is about 5067.4715588743. The cubic root of 25679268 is about 295.0264000121.

It can be divided in two parts, 256 and 79268, that added together give a square (79524 = 282²).

The spelling of 25679268 in words is "twenty-five million, six hundred seventy-nine thousand, two hundred sixty-eight".