234005730 has 64 divisors (see below), whose sum is σ = 644087808. Its totient is φ = 53300160.

The previous prime is 234005713. The next prime is 234005743. The reversal of 234005730 is 37500432.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234005730.

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, 63519 + ... + 67101.

It is an arithmetic number, because the mean of its divisors is an integer number (10063872).

Almost surely, 2^234005730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234005730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322043904).

234005730 is an abundant number, since it is smaller than the sum of its proper divisors (410082078).

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

234005730 is a wasteful number, since it uses less digits than its factorization.

234005730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 234005730 is about 15297.2458305409. The cubic root of 234005730 is about 616.2290445965.

The spelling of 234005730 in words is "two hundred thirty-four million, five thousand, seven hundred thirty".