330730 has 8 divisors (see below), whose sum is σ = 595332. Its totient is φ = 132288.

The previous prime is 330721. The next prime is 330731. The reversal of 330730 is 37033.

330730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 328329 + 2401 = 573^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (330731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16527 + ... + 16546.

2³³⁰⁷³⁰ is an apocalyptic number.

330730 is a deficient number, since it is larger than the sum of its proper divisors (264602).

330730 is a wasteful number, since it uses less digits than its factorization.

330730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080.

The product of its (nonzero) digits is 189, while the sum is 16.

The square root of 330730 is about 575.0912970999. The cubic root of 330730 is about 69.1551504189.

Adding to 330730 its reverse (37033), we get a palindrome (367763).

The spelling of 330730 in words is "three hundred thirty thousand, seven hundred thirty".