\documentclass[10pt]{book}
\usepackage{latexsym}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage[pdftex]{graphicx}
\usepackage[spanish]{babel}
\usepackage[latin1]{inputenc}
\usepackage[switch,pagewise]{def/lineno}
\usepackage{makeidx}
\makeindex
\usepackage{tabularx}
\usepackage{array}
\usepackage{hyperref}
\usepackage{xspace}
\usepackage{color}
\usepackage{booktabs}
\usepackage{fancyhdr}
\usepackage{geometry}
\usepackage{fixltx2e}

\geometry{verbose,dvips,paperwidth=17cm,paperheight=23.5cm,tmargin=1.8cm,bmargin=1.6cm, left=1.8cm, right=1.2cm}

\usepackage{ifthen,calc}
\newcounter{mypagecounter}
\newcommand*\insertblankpage[1]{%
\setcounter{mypagecounter}{0}
  \whiledo{\value{mypagecounter}<#1}{%
    \stepcounter{mypagecounter}%
    \newpage
		\thispagestyle{empty}
		\mbox{}
  }%
}
\begin{document}
\insertblankpage{476}
\end{document}

