The Messenger of Allah ﷺ said, "The Frequented House is in the seventh heaven. Seventy thousand angels enter it every day, and they never return to it again."
حدثنا حسن حدثنا حماد بن سلمة عن ثابت البناني
قال رسول الله ﷺ البيت المعمور في السماء السابعة يدخله كل يوم سبعون ألف ملك ثم لا يعودون إليه
Its isnad is sahih, and it appears with the same wording in Hakim 2/464, who graded it sahih, and Dhahabi agreed with him. It has already occurred within the hadith of the Night Journey and Ascension.