6718716722 has 8 divisors (see below), whose sum is σ = 10095788700. Its totient is φ = 3353453824.

The previous prime is 6718716721. The next prime is 6718716731. The reversal of 6718716722 is 2276178176.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5514696121 + 1204020601 = 74261^2 + 34699^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6718716721) 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, 2950847 + ... + 2953122.

Almost surely, 2^6718716722 is an apocalyptic number.

6718716722 is a deficient number, since it is larger than the sum of its proper divisors (3377071978).

6718716722 is a wasteful number, since it uses less digits than its factorization.

6718716722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904540.

The product of its digits is 395136, while the sum is 47.

The square root of 6718716722 is about 81967.7785596267. The cubic root of 6718716722 is about 1886.9574631919.

The spelling of 6718716722 in words is "six billion, seven hundred eighteen million, seven hundred sixteen thousand, seven hundred twenty-two".