$${\sqrt[{{\mathtt{{\mathtt{6}}}}}]{{\mathtt{45}}{\mathtt{\,\times\,}}{\mathtt{23}}{\mathtt{\,\times\,}}{\mathtt{75}}{\mathtt{\,\times\,}}{\mathtt{12}}{\mathtt{\,\times\,}}{\mathtt{66}}{\mathtt{\,\times\,}}{\mathtt{37}}}} = {\mathtt{36.265\: \!033\: \!791\: \!755\: \!895\: \!4}}$$
https://www.youtube.com/watch?v=o48pn7hCjFg
$${\sqrt[{{\mathtt{{\mathtt{6}}}}}]{{\mathtt{45}}{\mathtt{\,\times\,}}{\mathtt{23}}{\mathtt{\,\times\,}}{\mathtt{75}}{\mathtt{\,\times\,}}{\mathtt{12}}{\mathtt{\,\times\,}}{\mathtt{66}}{\mathtt{\,\times\,}}{\mathtt{37}}}} = {\mathtt{36.265\: \!033\: \!791\: \!755\: \!895\: \!4}}$$
https://www.youtube.com/watch?v=o48pn7hCjFg