• Multiplicative Structure of Values of the Euler Function 

    Banks, William David, 1964-; Friedlander, J. B. (John B.); Pomerance, Carl; Shparlinski, Igor E. (2004)
    We establish upper bounds for the number of smooth values of the Euler function. In particular, although the Euler function has a certain “smoothing” effect on its integer arguments, our results show that, in fact, most ...