The number of the surah of the holy Qur'an which was named Muhammad is 47
Only one Sura is named "Muhammad".
Surah Alaq (96 # in Quran) was the first surah reveled to Prophet Muhammad PBUH in Cave Hira.
It is obviously Surah Al Kawthar Surah number 108 in the Holy Quran.
The Surah # 57, Al-Hadeed ( Iron ).
apparently surah taqveer
The Surah that is named Yucuf (chapter 12 in Quran)
surah thoor
The fifth.
The Surah that is said to be the heart of the Quran is Yasin.
Surah Taubah is revealed without Bismillah. This signifies the detail taken into account on compililing Quran. The Quran was complied "as is" as it was revealed to prophet Muhammad PBUH.
i believe it is Mary as she has a surah named after her and is mentioned several times in the quran
Surah Tawba