67699 has 2 divisors, whose sum is σ = 67700. Its totient is φ = 67698.

The previous prime is 67679. The next prime is 67709. The reversal of 67699 is 99676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67699 - 2⁹ = 67187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33849 + 33850.

It is an arithmetic number, because the mean of its divisors is an integer number (33850).

2⁶⁷⁶⁹⁹ is an apocalyptic number.

67699 is a deficient number, since it is larger than the sum of its proper divisors (1).

67699 is an equidigital number, since it uses as much as digits as its factorization.

67699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 67699 is about 260.1903149620. The cubic root of 67699 is about 40.7562375186.

The spelling of 67699 in words is "sixty-seven thousand, six hundred ninety-nine".