25378672 has 40 divisors (see below), whose sum is σ = 54965232. Its totient is φ = 11251200.

The previous prime is 25378667. The next prime is 25378681. The reversal of 25378672 is 27687352.

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 7 ways as a sum of consecutive naturals, for example, 5458 + ... + 8974.

Almost surely, 2^25378672 is an apocalyptic number.

25378672 is a gapful number since it is divisible by the number (22) 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 25378672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27482616).

25378672 is an abundant number, since it is smaller than the sum of its proper divisors (29586560).

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

25378672 is a wasteful number, since it uses less digits than its factorization.

25378672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3571 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 25378672 is about 5037.7248833179. The cubic root of 25378672 is about 293.8707068738.

The spelling of 25378672 in words is "twenty-five million, three hundred seventy-eight thousand, six hundred seventy-two".