330670720 has 32 divisors (see below), whose sum is σ = 790511220. Its totient is φ = 132268032.

The previous prime is 330670693. The next prime is 330670721. The reversal of 330670720 is 27076033.

It can be written as a sum of positive squares in 2 ways, for example, as 313431616 + 17239104 = 17704^2 + 4152^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (330670721) 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, 257697 + ... + 258976.

Almost surely, 2^330670720 is an apocalyptic number.

It is an amenable number.

330670720 is an abundant number, since it is smaller than the sum of its proper divisors (459840500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330670720 is an equidigital number, since it uses as much as digits as its factorization.

330670720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516692 (or 516680 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 330670720 is about 18184.3537141137. The cubic root of 330670720 is about 691.5101838545.

The spelling of 330670720 in words is "three hundred thirty million, six hundred seventy thousand, seven hundred twenty".