6790009 has 2 divisors, whose sum is σ = 6790010. Its totient is φ = 6790008.

The previous prime is 6789983. The next prime is 6790033. The reversal of 6790009 is 9000976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6775609 + 14400 = 2603^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 6790009 - 2⁵ = 6789977 is a prime.

It is a super-2 number, since 2×6790009² = 92208444440162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6790099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3395004 + 3395005.

It is an arithmetic number, because the mean of its divisors is an integer number (3395005).

Almost surely, 2^6790009 is an apocalyptic number.

It is an amenable number.

6790009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6790009 is an equidigital number, since it uses as much as digits as its factorization.

6790009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 6790009 is about 2605.7645711000. The cubic root of 6790009 is about 189.3608161052.

The spelling of 6790009 in words is "six million, seven hundred ninety thousand, nine".