--- id: 5900f3b21000cf542c50fec5 challengeType: 5 title: 'Problem 70: Totient permutation' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler70(), 8319823, "euler70() should return 8319823.");' ``` ## Challenge Seed ```js function euler70() { // Good luck! return true; } euler70(); ``` ## Solution ```js // solution required ```
euler70()