330605765 has 16 divisors (see below), whose sum is σ = 456978432. Its totient is φ = 224913024.

The previous prime is 330605761. The next prime is 330605789. The reversal of 330605765 is 567506033.

It is not a de Polignac number, because 330605765 - 2² = 330605761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330605761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32744 + ... + 41633.

It is an arithmetic number, because the mean of its divisors is an integer number (28561152).

Almost surely, 2^330605765 is an apocalyptic number.

330605765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

330605765 is a deficient number, since it is larger than the sum of its proper divisors (126372667).

330605765 is a wasteful number, since it uses less digits than its factorization.

330605765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74516.

The product of its (nonzero) digits is 56700, while the sum is 35.

The square root of 330605765 is about 18182.5676129638. The cubic root of 330605765 is about 691.4649021662.

The spelling of 330605765 in words is "three hundred thirty million, six hundred five thousand, seven hundred sixty-five".