320706671 has 8 divisors (see below), whose sum is σ = 325079040. Its totient is φ = 316358712.

The previous prime is 320706571. The next prime is 320706697. The reversal of 320706671 is 176607023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320706671 - 2¹⁰ = 320705647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320706571) 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, 21170 + ... + 33008.

It is an arithmetic number, because the mean of its divisors is an integer number (40634880).

Almost surely, 2^320706671 is an apocalyptic number.

320706671 is a deficient number, since it is larger than the sum of its proper divisors (4372369).

320706671 is a wasteful number, since it uses less digits than its factorization.

320706671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 320706671 is about 17908.2849820970. The cubic root of 320706671 is about 684.4935044985.

The spelling of 320706671 in words is "three hundred twenty million, seven hundred six thousand, six hundred seventy-one".