321472671 has 8 divisors (see below), whose sum is σ = 461601840. Its totient is φ = 197829312.

The previous prime is 321472607. The next prime is 321472681. The reversal of 321472671 is 176274123.

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

It is not a de Polignac number, because 321472671 - 2⁶ = 321472607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321472681) 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, 4121406 + ... + 4121483.

It is an arithmetic number, because the mean of its divisors is an integer number (57700230).

Almost surely, 2^321472671 is an apocalyptic number.

321472671 is a deficient number, since it is larger than the sum of its proper divisors (140129169).

321472671 is a wasteful number, since it uses less digits than its factorization.

321472671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242905.

The product of its digits is 14112, while the sum is 33.

The square root of 321472671 is about 17929.6589761211. The cubic root of 321472671 is about 685.0380364976.

The spelling of 321472671 in words is "three hundred twenty-one million, four hundred seventy-two thousand, six hundred seventy-one".