6740340667 has 8 divisors (see below), whose sum is σ = 6870226896. Its totient is φ = 6610554912.

The previous prime is 6740340643. The next prime is 6740340721. The reversal of 6740340667 is 7660430476.

6740340667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740340667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6740340367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118128 + ... + 165634.

It is an arithmetic number, because the mean of its divisors is an integer number (858778362).

Almost surely, 2^6740340667 is an apocalyptic number.

6740340667 is a deficient number, since it is larger than the sum of its proper divisors (129886229).

6740340667 is a wasteful number, since it uses less digits than its factorization.

6740340667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50237.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 6740340667 is about 82099.5777516547. The cubic root of 6740340667 is about 1888.9796632325.

The spelling of 6740340667 in words is "six billion, seven hundred forty million, three hundred forty thousand, six hundred sixty-seven".