6740666666740 has 24 divisors (see below), whose sum is σ = 14172271787520. Its totient is φ = 2693052992928.

The previous prime is 6740666666711. The next prime is 6740666666749. The reversal of 6740666666740 is 476666660476.

It is a super-2 number, since 2×6740666666740² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740666666749) 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, 200837412 + ... + 200870971.

It is an arithmetic number, because the mean of its divisors is an integer number (590511324480).

Almost surely, 2^{6740666666740} is an apocalyptic number.

It is an amenable number.

6740666666740 is an abundant number, since it is smaller than the sum of its proper divisors (7431605120780).

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

6740666666740 is a wasteful number, since it uses less digits than its factorization.

6740666666740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401709231 (or 401709229 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 64.

The spelling of 6740666666740 in words is "six trillion, seven hundred forty billion, six hundred sixty-six million, six hundred sixty-six thousand, seven hundred forty".