6670723 has 4 divisors (see below), whose sum is σ = 6676768. Its totient is φ = 6664680.

The previous prime is 6670709. The next prime is 6670751. The reversal of 6670723 is 3270766.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6670723 - 2⁹ = 6670211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6670753) 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 3 ways as a sum of consecutive naturals, for example, 843 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (1669192).

Almost surely, 2^6670723 is an apocalyptic number.

6670723 is a deficient number, since it is larger than the sum of its proper divisors (6045).

6670723 is a wasteful number, since it uses less digits than its factorization.

6670723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 6670723 is about 2582.7742835951. The cubic root of 6670723 is about 188.2453695951.

The spelling of 6670723 in words is "six million, six hundred seventy thousand, seven hundred twenty-three".