6999673 has 2 divisors, whose sum is σ = 6999674. Its totient is φ = 6999672.

The previous prime is 6999661. The next prime is 6999703. The reversal of 6999673 is 3769996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4652649 + 2347024 = 2157^2 + 1532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6999673 is a prime.

It is not a weakly prime, because it can be changed into another prime (6999073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499836 + 3499837.

It is an arithmetic number, because the mean of its divisors is an integer number (3499837).

Almost surely, 2^6999673 is an apocalyptic number.

It is an amenable number.

6999673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6999673 is an equidigital number, since it uses as much as digits as its factorization.

6999673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 49.

The square root of 6999673 is about 2645.6895131515. The cubic root of 6999673 is about 191.2901395237.

The spelling of 6999673 in words is "six million, nine hundred ninety-nine thousand, six hundred seventy-three".