6717826740 has 24 divisors (see below), whose sum is σ = 18809915040. Its totient is φ = 1791420448.

The previous prime is 6717826723. The next prime is 6717826763. The reversal of 6717826740 is 476287176.

It is a super-2 number, since 2×6717826740² = 90258392217318055200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6717826740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55981830 + ... + 55981949.

It is an arithmetic number, because the mean of its divisors is an integer number (783746460).

Almost surely, 2^6717826740 is an apocalyptic number.

6717826740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6717826740 is an abundant number, since it is smaller than the sum of its proper divisors (12092088300).

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

6717826740 is a wasteful number, since it uses less digits than its factorization.

6717826740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111963791 (or 111963789 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 6717826740 is about 81962.3495270847. The cubic root of 6717826740 is about 1886.8741421053.

The spelling of 6717826740 in words is "six billion, seven hundred seventeen million, eight hundred twenty-six thousand, seven hundred forty".