How do you cook a whole chicken in the oven weight 1.73 kg?

To cook a 1.73 kg whole chicken in the oven, preheat your oven to 200°C (400°F). Season the chicken with salt, pepper, and your preferred herbs and spices, then place it in a roasting pan, breast side up. Roast for about 1 hour and 15 minutes, or until the internal temperature reaches 75°C (165°F) at the thickest part of the thigh. Let the chicken rest for 10-15 minutes before carving to allow the juices to redistribute.