25676730 has 64 divisors (see below), whose sum is σ = 69638400. Its totient is φ = 6730560.

The previous prime is 25676713. The next prime is 25676743. The reversal of 25676730 is 3767652.

It is a happy number.

25676730 is a `hidden beast` number, since 2 + 567 + 67 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15691 + ... + 17249.

It is an arithmetic number, because the mean of its divisors is an integer number (1088100).

Almost surely, 2^25676730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25676730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34819200).

25676730 is an abundant number, since it is smaller than the sum of its proper divisors (43961670).

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

25676730 is a wasteful number, since it uses less digits than its factorization.

25676730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 25676730 is about 5067.2211319420. The cubic root of 25676730 is about 295.0166800872.

The spelling of 25676730 in words is "twenty-five million, six hundred seventy-six thousand, seven hundred thirty".