67340173 has 2 divisors, whose sum is σ = 67340174. Its totient is φ = 67340172.

The previous prime is 67340171. The next prime is 67340183. The reversal of 67340173 is 37104376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 23011209 = 6658^2 + 4797^2 .

It is a cyclic number.

It is not a de Polignac number, because 67340173 - 2¹ = 67340171 is a prime.

Together with 67340171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67340171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33670086 + 33670087.

It is an arithmetic number, because the mean of its divisors is an integer number (33670087).

Almost surely, 2^67340173 is an apocalyptic number.

It is an amenable number.

67340173 is a deficient number, since it is larger than the sum of its proper divisors (1).

67340173 is an equidigital number, since it uses as much as digits as its factorization.

67340173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 67340173 is about 8206.1058365098. The cubic root of 67340173 is about 406.8410276078.

The spelling of 67340173 in words is "sixty-seven million, three hundred forty thousand, one hundred seventy-three".