673319843 has 8 divisors (see below), whose sum is σ = 787404288. Its totient is φ = 563709384.

The previous prime is 673319809. The next prime is 673319851. The reversal of 673319843 is 348913376.

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

It is a de Polignac number, because none of the positive numbers 2^k-673319843 is a prime.

It is a super-2 number, since 2×673319843² = 906719221955089298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673319794 and 673319803.

It is not an unprimeable number, because it can be changed into a prime (673319893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118171 + ... + 1118772.

It is an arithmetic number, because the mean of its divisors is an integer number (98425536).

Almost surely, 2^673319843 is an apocalyptic number.

673319843 is a deficient number, since it is larger than the sum of its proper divisors (114084445).

673319843 is a wasteful number, since it uses less digits than its factorization.

673319843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236993.

The product of its digits is 326592, while the sum is 44.

The square root of 673319843 is about 25948.4073307014. The cubic root of 673319843 is about 876.4768932106.

The spelling of 673319843 in words is "six hundred seventy-three million, three hundred nineteen thousand, eight hundred forty-three".