25928730 has 96 divisors (see below), whose sum is σ = 72446400. Its totient is φ = 6414336.

The previous prime is 25928719. The next prime is 25928731. The reversal of 25928730 is 3782952.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25928731) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 100762 + ... + 101018.

It is an arithmetic number, because the mean of its divisors is an integer number (754650).

Almost surely, 2^25928730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25928730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36223200).

25928730 is an abundant number, since it is smaller than the sum of its proper divisors (46517670).

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

25928730 is a wasteful number, since it uses less digits than its factorization.

25928730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25928730 is about 5092.0261193360. The cubic root of 25928730 is about 295.9786705473.

The spelling of 25928730 in words is "twenty-five million, nine hundred twenty-eight thousand, seven hundred thirty".