70 (number) - Wikipedia
https://en.m.wikipedia.org/wiki/70_(number)
In mathematics. 70 is: the fourth discrete tri-prime; or also termed Sphenic number, and the first of the form (2.5.r). [1] with an aliquot sum of 74; within an aliquot sequence of four composite numbers (70,74, 40, 50, 43, 1 ,0) to the Prime in the 43 -aliquot tree. a Pell number.
DA: 40 PA: 11 MOZ Rank: 38