667301713 has 4 divisors (see below), whose sum is σ = 718632628. Its totient is φ = 615970800.

The previous prime is 667301707. The next prime is 667301729. The reversal of 667301713 is 317103766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202123089 + 465178624 = 14217^2 + 21568^2 .

It is a cyclic number.

It is not a de Polignac number, because 667301713 - 2²⁵ = 633747281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667301213) 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, 25665438 + ... + 25665463.

It is an arithmetic number, because the mean of its divisors is an integer number (179658157).

Almost surely, 2^667301713 is an apocalyptic number.

It is an amenable number.

667301713 is a deficient number, since it is larger than the sum of its proper divisors (51330915).

667301713 is a wasteful number, since it uses less digits than its factorization.

667301713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51330914.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 667301713 is about 25832.1836668912. The cubic root of 667301713 is about 873.8577587432.

The spelling of 667301713 in words is "six hundred sixty-seven million, three hundred one thousand, seven hundred thirteen".