Perfect Square
72712688052591373081 is a perfect square (8527173509 × 8527173509)
72712688052591373081 is a perfect square (8527173509 × 8527173509)
72712688052591373081 is odd
Previous odd number is 72712688052591373079
Next odd number is 72712688052591373083
111111000100010111010111001000100100010110011111111010101100011001
384441798225679176389994529107902269611788554459379342290441