6664712 has 16 divisors (see below), whose sum is σ = 12526800. Its totient is φ = 3324240.

The previous prime is 6664711. The next prime is 6664717. The reversal of 6664712 is 2174666.

It is a d-powerful number, because it can be written as 6⁶ + 6⁶ + 6⁷ + 4¹¹ + 7 + 1 + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (6664711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (782925).

Almost surely, 2^6664712 is an apocalyptic number.

It is an amenable number.

6664712 is a deficient number, since it is larger than the sum of its proper divisors (5862088).

6664712 is a wasteful number, since it uses less digits than its factorization.

6664712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036 (or 2032 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 6664712 is about 2581.6103501497. The cubic root of 6664712 is about 188.1888098606.

The spelling of 6664712 in words is "six million, six hundred sixty-four thousand, seven hundred twelve".