6723994 has 8 divisors (see below), whose sum is σ = 10257120. Its totient is φ = 3304956.

The previous prime is 6723979. The next prime is 6724007. The reversal of 6723994 is 4993276.

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

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28374 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (1282140).

Almost surely, 2^6723994 is an apocalyptic number.

6723994 is a deficient number, since it is larger than the sum of its proper divisors (3533126).

6723994 is a wasteful number, since it uses less digits than its factorization.

6723994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57044.

The product of its digits is 81648, while the sum is 40.

The square root of 6723994 is about 2593.0665244070. The cubic root of 6723994 is about 188.7451376611.

The spelling of 6723994 in words is "six million, seven hundred twenty-three thousand, nine hundred ninety-four".