25384734 has 24 divisors (see below), whose sum is σ = 55548792. Its totient is φ = 8377200.

The previous prime is 25384727. The next prime is 25384739. The reversal of 25384734 is 43748352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25384739) 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 11 ways as a sum of consecutive naturals, for example, 5164 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (2314533).

Almost surely, 2^25384734 is an apocalyptic number.

25384734 is an abundant number, since it is smaller than the sum of its proper divisors (30164058).

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

25384734 is a wasteful number, since it uses less digits than its factorization.

25384734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072 (or 14069 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 25384734 is about 5038.3265078794. The cubic root of 25384734 is about 293.8941031913.

The spelling of 25384734 in words is "twenty-five million, three hundred eighty-four thousand, seven hundred thirty-four".