6740197 has 2 divisors, whose sum is σ = 6740198. Its totient is φ = 6740196.

The previous prime is 6740191. The next prime is 6740273. The reversal of 6740197 is 7910476.

6740197 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., 6558721 + 181476 = 2561^2 + 426^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740197 - 2³ = 6740189 is a prime.

6740197 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370098 + 3370099.

It is an arithmetic number, because the mean of its divisors is an integer number (3370099).

Almost surely, 2^6740197 is an apocalyptic number.

It is an amenable number.

6740197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740197 is an equidigital number, since it uses as much as digits as its factorization.

6740197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 6740197 is about 2596.1889376546. The cubic root of 6740197 is about 188.8966242251.

The spelling of 6740197 in words is "six million, seven hundred forty thousand, one hundred ninety-seven".