Key points are not available for this paper at this time.
In this paper, we show that when\ (Nₖ\) is a primorial and \ ( (Nₖ) \) is Euler’s totient function, the inequality \ ( (Nₖ) < Nₖe^{Nₖ}\) holds for all sufficiently large k.
Cheng-Ting Wang (Thu,) studied this question.