Perfect Square
72712687916156597001 is a perfect square (8527173501 × 8527173501)
72712687916156597001 is a perfect square (8527173501 × 8527173501)
72712687916156597001 is odd
Previous odd number is 72712687916156596999
Next odd number is 72712687916156597003
111111000100010111010111000110100101010010010110100011001100001001
384441796061631939392268313450047108386125422931782696791001