The article examines the mystical and artistic interpretation of the numbers 40, 10 and 7 in religious-Sufi sources and Khorezm epic dastans. The object of the study is the epic dastans of Khorezm — such as the “Go‘ro‘g‘li” cycle, “Oshiq G‘arib va Shohsanam”, “Yusuf va Ahmad” and “Sayyod va Hamro” — together with the religious-Sufi sources that form their artistic foundation (the Qur’an,...