6664713 has 8 divisors (see below), whose sum is σ = 9694176. Its totient is φ = 4039200.

The previous prime is 6664711. The next prime is 6664717. The reversal of 6664713 is 3174666.

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

It is not a de Polignac number, because 6664713 - 2¹ = 6664711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 201961 = 6664713 / (6 + 6 + 6 + 4 + 7 + 1 + 3).

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 7 ways as a sum of consecutive naturals, for example, 100948 + ... + 101013.

It is an arithmetic number, because the mean of its divisors is an integer number (1211772).

Almost surely, 2^6664713 is an apocalyptic number.

It is an amenable number.

6664713 is a deficient number, since it is larger than the sum of its proper divisors (3029463).

6664713 is a wasteful number, since it uses less digits than its factorization.

6664713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201975.

The product of its digits is 18144, while the sum is 33.

The square root of 6664713 is about 2581.6105438272. The cubic root of 6664713 is about 188.1888192728.

The spelling of 6664713 in words is "six million, six hundred sixty-four thousand, seven hundred thirteen".