25730334 has 48 divisors (see below), whose sum is σ = 64932192. Its totient is φ = 7210944.

The previous prime is 25730321. The next prime is 25730359. The reversal of 25730334 is 43303752.

It is a junction number, because it is equal to n+sod(n) for n = 25730298 and 25730307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4752 + ... + 8604.

It is an arithmetic number, because the mean of its divisors is an integer number (1352754).

Almost surely, 2^25730334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25730334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32466096).

25730334 is an abundant number, since it is smaller than the sum of its proper divisors (39201858).

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

25730334 is a wasteful number, since it uses less digits than its factorization.

25730334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 25730334 is about 5072.5076638680. The cubic root of 25730334 is about 295.2218344834.

The spelling of 25730334 in words is "twenty-five million, seven hundred thirty thousand, three hundred thirty-four".