6723343864 has 32 divisors (see below), whose sum is σ = 12806022240. Its totient is φ = 3308569600.

The previous prime is 6723343841. The next prime is 6723343867. The reversal of 6723343864 is 4683433276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723343867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326844 + ... + 346804.

It is an arithmetic number, because the mean of its divisors is an integer number (400188195).

Almost surely, 2^6723343864 is an apocalyptic number.

It is an amenable number.

6723343864 is a deficient number, since it is larger than the sum of its proper divisors (6082678376).

6723343864 is a wasteful number, since it uses less digits than its factorization.

6723343864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20631 (or 20627 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 46.

The square root of 6723343864 is about 81995.9990731255. Note that the first 3 decimals coincide. The cubic root of 6723343864 is about 1887.3905427455.

The spelling of 6723343864 in words is "six billion, seven hundred twenty-three million, three hundred forty-three thousand, eight hundred sixty-four".