Abu Hurairah (May Allah be pleased with him) said:
I heard the Messenger of Allah (ﷺ) saying, "I swear by Allah that I seek Allah's Pardon and turn to Him in repentance more than seventy times a day."[Al-Bukhari]. (DE)
App reference (DE): Book 20, Hadith 2 (DE)
Arabic/English book reference (DE): Book 20, Hadith 1870 (DE)