320975467 has 4 divisors (see below), whose sum is σ = 321112656. Its totient is φ = 320838280.

The previous prime is 320975443. The next prime is 320975471. The reversal of 320975467 is 764579023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320975467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320970467) 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, 65023 + ... + 69784.

It is an arithmetic number, because the mean of its divisors is an integer number (80278164).

Almost surely, 2^320975467 is an apocalyptic number.

320975467 is a deficient number, since it is larger than the sum of its proper divisors (137189).

320975467 is a wasteful number, since it uses less digits than its factorization.

320975467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137188.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 320975467 is about 17915.7882048209. The cubic root of 320975467 is about 684.6846841173.

The spelling of 320975467 in words is "three hundred twenty million, nine hundred seventy-five thousand, four hundred sixty-seven".