An electrophotographic photoreceptor, comprising: an electroconductive substrate; and a photosensitive layer located overlying the electroconductive substrate, wherein the photosensitive layer is a single-layered layer comprising a charge generation material and an electron transport material having the following specific formula (1): wherein the charge generation materials is a titanylphthalocyanine having a specific CuKα 1.542 Å X-ray diffraction spectrum.