320945712 has 40 divisors (see below), whose sum is σ = 832367856. Its totient is φ = 106561536.

The previous prime is 320945711. The next prime is 320945719. The reversal of 320945712 is 217549023.

It is not an unprimeable number, because it can be changed into a prime (320945711) 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, 673 + ... + 25344.

Almost surely, 2^320945712 is an apocalyptic number.

It is an amenable number.

320945712 is an abundant number, since it is smaller than the sum of its proper divisors (511422144).

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

320945712 is a wasteful number, since it uses less digits than its factorization.

320945712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26285 (or 26279 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 320945712 is about 17914.9577727663. The cubic root of 320945712 is about 684.6635262985.

The spelling of 320945712 in words is "three hundred twenty million, nine hundred forty-five thousand, seven hundred twelve".