320672363 has 4 divisors (see below), whose sum is σ = 349824408. Its totient is φ = 291520320.

The previous prime is 320672353. The next prime is 320672389. The reversal of 320672363 is 363276023.

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

It is a cyclic number.

It is not a de Polignac number, because 320672363 - 2⁴ = 320672347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320672323) 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, 14576006 + ... + 14576027.

It is an arithmetic number, because the mean of its divisors is an integer number (87456102).

Almost surely, 2^320672363 is an apocalyptic number.

320672363 is a deficient number, since it is larger than the sum of its proper divisors (29152045).

320672363 is a wasteful number, since it uses less digits than its factorization.

320672363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29152044.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 320672363 is about 17907.3270758089. The cubic root of 320672363 is about 684.4690954432.

The spelling of 320672363 in words is "three hundred twenty million, six hundred seventy-two thousand, three hundred sixty-three".