27447 is a sphenic number whose three distinct prime factors have no digital root in common (3, 7 and 2) and all of which differ from the digital root (6) of the original number.

27447 can be rendered as a digital equation as follows:

-2 -7 + 4 * 4 = 7

27447 stabilises after about 160 generations of Conway's Game of Life rules to two gliders, two still life blocks, two blinkers and one traffic light.