6730993 has 2 divisors, whose sum is σ = 6730994. Its totient is φ = 6730992.

The previous prime is 6730991. The next prime is 6731009. The reversal of 6730993 is 3990376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5438224 + 1292769 = 2332^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 6730993 - 2¹ = 6730991 is a prime.

Together with 6730991, it forms a pair of twin primes.

It is equal to p₄₅₉₄₉₆ and since 6730993 and 459496 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (6730991) 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, 3365496 + 3365497.

It is an arithmetic number, because the mean of its divisors is an integer number (3365497).

Almost surely, 2^6730993 is an apocalyptic number.

It is an amenable number.

6730993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6730993 is an equidigital number, since it uses as much as digits as its factorization.

6730993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 6730993 is about 2594.4157338407. The cubic root of 6730993 is about 188.8106031732.

The spelling of 6730993 in words is "six million, seven hundred thirty thousand, nine hundred ninety-three".