6718343240 has 64 divisors (see below), whose sum is σ = 18026876160. Its totient is φ = 2203280640.

The previous prime is 6718343239. The next prime is 6718343243. The reversal of 6718343240 is 423438176.

It is a super-2 number, since 2×6718343240² = 90272271780907395200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6718343194 and 6718343203.

It is not an unprimeable number, because it can be changed into a prime (6718343243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515171 + ... + 528050.

It is an arithmetic number, because the mean of its divisors is an integer number (281669940).

Almost surely, 2^6718343240 is an apocalyptic number.

It is an amenable number.

6718343240 is an abundant number, since it is smaller than the sum of its proper divisors (11308532920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6718343240 is a wasteful number, since it uses less digits than its factorization.

6718343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043262 (or 1043258 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 6718343240 is about 81965.5003034813. The cubic root of 6718343240 is about 1886.9224982953.

The spelling of 6718343240 in words is "six billion, seven hundred eighteen million, three hundred forty-three thousand, two hundred forty".