330729 has 8 divisors (see below), whose sum is σ = 504000. Its totient is φ = 188976.

The previous prime is 330721. The next prime is 330731. The reversal of 330729 is 927033.

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

It is not a de Polignac number, because 330729 - 2³ = 330721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 330699 and 330708.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330729.

It is not an unprimeable number, because it can be changed into a prime (330721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7854 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2³³⁰⁷²⁹ is an apocalyptic number.

It is an amenable number.

330729 is a deficient number, since it is larger than the sum of its proper divisors (173271).

330729 is a wasteful number, since it uses less digits than its factorization.

330729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15759.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 330729 is about 575.0904276720. The cubic root of 330729 is about 69.1550807193.

The spelling of 330729 in words is "three hundred thirty thousand, seven hundred twenty-nine".