330745 has 8 divisors (see below), whose sum is σ = 410760. Its totient is φ = 255360.

The previous prime is 330731. The next prime is 330749. The reversal of 330745 is 547033.

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 284089 = 216^2 + 533^2 .

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

It is not a de Polignac number, because 330745 - 2⁹ = 330233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330749) 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 7 ways as a sum of consecutive naturals, for example, 996 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (51345).

2³³⁰⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

330745 is a deficient number, since it is larger than the sum of its proper divisors (80015).

330745 is a wasteful number, since it uses less digits than its factorization.

330745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 330745 is about 575.1043383596. The cubic root of 330745 is about 69.1561958957.

Adding to 330745 its reverse (547033), we get a palindrome (877778).

It can be divided in two parts, 3 and 30745, that multiplied together give a triangular number (92235 = T₄₂₉).

The spelling of 330745 in words is "three hundred thirty thousand, seven hundred forty-five".