4774

Number
$4774$ (four thousand, seven hundred and seventy-four) is:
 * $2 \times 7 \times 11 \times 31$


 * The $44$th heptagonal number after $1, 7, 18, 34, 55, 81, 112, \ldots, 3010, 3186, 3367, 3553, 3744, 3940, 4141, 4347, 4558$:
 * $4774 = \displaystyle \sum_{k \mathop = 1}^{44} \left({5 k - 4}\right) = \dfrac {44 \left({5 \times 44 - 3}\right)} 2$