Ezra 2:9 Kabbalah

בְּנֵ֣י זַכָּ֔י שְׁבַ֥ע מֵא֖וֹת וְשִׁשִּֽׁים׃ (ס)

The children of Zaccai, seven hundred and threescore.

Read kabbalistic (mystical) interpretation of Ezra 2:9: and classical mystical sources.