673019 has 2 divisors, whose sum is σ = 673020. Its totient is φ = 673018.

The previous prime is 672983. The next prime is 673039. The reversal of 673019 is 910376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673019 is a prime.

It is a super-2 number, since 2×673019² = 905909148722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336509 + 336510.

It is an arithmetic number, because the mean of its divisors is an integer number (336510).

2⁶⁷³⁰¹⁹ is an apocalyptic number.

673019 is a deficient number, since it is larger than the sum of its proper divisors (1).

673019 is an equidigital number, since it uses as much as digits as its factorization.

673019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 673019 is about 820.3773521984. The cubic root of 673019 is about 87.6346335536.

The spelling of 673019 in words is "six hundred seventy-three thousand, nineteen".