773

Number
$773$ (seven hundred and seventy-three) is:


 * The $137$th prime number


 * The smaller of the $4$th pair of primes whose prime gap is $14$:
 * $787 - 773 = 14$


 * The $44$th left-truncatable prime after $2$, $3$, $5$, $7$, $\ldots$, $443$, $467$, $523$, $547$, $613$, $617$, $643$, $647$, $653$, $673$, $683$, $743$