Abu Hamzah reports that his father said: When the Prophet (peace and blessings be upon him) passed away, he (peace and blessings be upon him) was 63 years old.
Al-Tabarani recorded it; its narrators are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب العلم / 958