673343851 has 4 divisors (see below), whose sum is σ = 673502752. Its totient is φ = 673184952.

The previous prime is 673343849. The next prime is 673343863. The reversal of 673343851 is 158343376.

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 673343851 - 2¹ = 673343849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673343351) 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 3 ways as a sum of consecutive naturals, for example, 72915 + ... + 81628.

It is an arithmetic number, because the mean of its divisors is an integer number (168375688).

Almost surely, 2^673343851 is an apocalyptic number.

673343851 is a deficient number, since it is larger than the sum of its proper divisors (158901).

673343851 is a wasteful number, since it uses less digits than its factorization.

673343851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158900.

The product of its digits is 181440, while the sum is 40.

The square root of 673343851 is about 25948.8699368585. The cubic root of 673343851 is about 876.4873103535.

The spelling of 673343851 in words is "six hundred seventy-three million, three hundred forty-three thousand, eight hundred fifty-one".