68224679 has 2 divisors, whose sum is σ = 68224680. Its totient is φ = 68224678.

The previous prime is 68224661. The next prime is 68224729. The reversal of 68224679 is 97642286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68224679 - 2²⁰ = 67176103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68224619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34112339 + 34112340.

It is an arithmetic number, because the mean of its divisors is an integer number (34112340).

Almost surely, 2^68224679 is an apocalyptic number.

68224679 is a deficient number, since it is larger than the sum of its proper divisors (1).

68224679 is an equidigital number, since it uses as much as digits as its factorization.

68224679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 68224679 is about 8259.8231821268. The cubic root of 68224679 is about 408.6145562770.

The spelling of 68224679 in words is "sixty-eight million, two hundred twenty-four thousand, six hundred seventy-nine".