25678272 has 56 divisors (see below), whose sum is σ = 71526400. Its totient is φ = 8107776.

The previous prime is 25678249. The next prime is 25678297. The reversal of 25678272 is 27287652.

It is a self number, because there is not a number n which added to its sum of digits gives 25678272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 7167.

Almost surely, 2^25678272 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 25678272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35763200).

25678272 is an abundant number, since it is smaller than the sum of its proper divisors (45848128).

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

25678272 is a wasteful number, since it uses less digits than its factorization.

25678272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073 (or 7063 counting only the distinct ones).

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

The square root of 25678272 is about 5067.3732840595. The cubic root of 25678272 is about 295.0225856499.

The spelling of 25678272 in words is "twenty-five million, six hundred seventy-eight thousand, two hundred seventy-two".