6740406667 has 2 divisors, whose sum is σ = 6740406668. Its totient is φ = 6740406666.

The previous prime is 6740406593. The next prime is 6740406709. The reversal of 6740406667 is 7666040476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6740406667 - 2³¹ = 4592923019 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740406467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370203333 + 3370203334.

It is an arithmetic number, because the mean of its divisors is an integer number (3370203334).

Almost surely, 2^6740406667 is an apocalyptic number.

6740406667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740406667 is an equidigital number, since it uses as much as digits as its factorization.

6740406667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The square root of 6740406667 is about 82099.9797015809. The cubic root of 6740406667 is about 1888.9858287097.

The spelling of 6740406667 in words is "six billion, seven hundred forty million, four hundred six thousand, six hundred sixty-seven".