67247 has 2 divisors, whose sum is σ = 67248. Its totient is φ = 67246.

The previous prime is 67231. The next prime is 67261. The reversal of 67247 is 74276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67247 - 2⁴ = 67231 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33623 + 33624.

It is an arithmetic number, because the mean of its divisors is an integer number (33624).

2⁶⁷²⁴⁷ is an apocalyptic number.

67247 is a deficient number, since it is larger than the sum of its proper divisors (1).

67247 is an equidigital number, since it uses as much as digits as its factorization.

67247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 26.

The square root of 67247 is about 259.3202653091. The cubic root of 67247 is about 40.6653303631.

The spelling of 67247 in words is "sixty-seven thousand, two hundred forty-seven".