6667340737 has 2 divisors, whose sum is σ = 6667340738. Its totient is φ = 6667340736.

The previous prime is 6667340723. The next prime is 6667340767. The reversal of 6667340737 is 7370437666.

6667340737 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5312806321 + 1354534416 = 72889^2 + 36804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6667340737 is a prime.

It is not a weakly prime, because it can be changed into another prime (6667340707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333670368 + 3333670369.

It is an arithmetic number, because the mean of its divisors is an integer number (3333670369).

Almost surely, 2^6667340737 is an apocalyptic number.

It is an amenable number.

6667340737 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667340737 is an equidigital number, since it uses as much as digits as its factorization.

6667340737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 49.

The square root of 6667340737 is about 81653.7858093549. The cubic root of 6667340737 is about 1882.1354880712.

The spelling of 6667340737 in words is "six billion, six hundred sixty-seven million, three hundred forty thousand, seven hundred thirty-seven".