6740609305872 has 80 divisors (see below), whose sum is σ = 18753852051648. Its totient is φ = 2073908513280.

The previous prime is 6740609305853. The next prime is 6740609305907. The reversal of 6740609305872 is 2785039060476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10303783 + ... + 10938425.

Almost surely, 2^{6740609305872} is an apocalyptic number.

It is an amenable number.

6740609305872 is an abundant number, since it is smaller than the sum of its proper divisors (12013242745776).

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

6740609305872 is a wasteful number, since it uses less digits than its factorization.

6740609305872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651688 (or 651682 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 6740609305872 in words is "six trillion, seven hundred forty billion, six hundred nine million, three hundred five thousand, eight hundred seventy-two".