673213271 has 8 divisors (see below), whose sum is σ = 681967104. Its totient is φ = 664496640.

The previous prime is 673213259. The next prime is 673213313. The reversal of 673213271 is 172312376.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673213271 is a prime.

It is a super-3 number, since 3×673213271³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673213201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28091 + ... + 46211.

It is an arithmetic number, because the mean of its divisors is an integer number (85245888).

Almost surely, 2^673213271 is an apocalyptic number.

673213271 is a deficient number, since it is larger than the sum of its proper divisors (8753833).

673213271 is a wasteful number, since it uses less digits than its factorization.

673213271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18601.

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

The square root of 673213271 is about 25946.3537129979. The cubic root of 673213271 is about 876.4306483117.

The spelling of 673213271 in words is "six hundred seventy-three million, two hundred thirteen thousand, two hundred seventy-one".