330749033 has 4 divisors (see below), whose sum is σ = 330792660. Its totient is φ = 330705408.

The previous prime is 330748981. The next prime is 330749047. The reversal of 330749033 is 330947033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330947033 = 73 ⋅4533521.

It can be written as a sum of positive squares in 2 ways, for example, as 260725609 + 70023424 = 16147^2 + 8368^2 .

It is a cyclic number.

It is not a de Polignac number, because 330749033 - 2⁸ = 330748777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330749333) 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, 7160 + ... + 26697.

It is an arithmetic number, because the mean of its divisors is an integer number (82698165).

Almost surely, 2^330749033 is an apocalyptic number.

It is an amenable number.

330749033 is a deficient number, since it is larger than the sum of its proper divisors (43627).

330749033 is an equidigital number, since it uses as much as digits as its factorization.

330749033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43626.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 330749033 is about 18186.5068938485. The cubic root of 330749033 is about 691.5647698411.

The spelling of 330749033 in words is "three hundred thirty million, seven hundred forty-nine thousand, thirty-three".