67434673 has 2 divisors, whose sum is σ = 67434674. Its totient is φ = 67434672.

The previous prime is 67434659. The next prime is 67434701. The reversal of 67434673 is 37643476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59861169 + 7573504 = 7737^2 + 2752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67434673 is a prime.

It is not a weakly prime, because it can be changed into another prime (67434623) 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, 33717336 + 33717337.

It is an arithmetic number, because the mean of its divisors is an integer number (33717337).

Almost surely, 2^67434673 is an apocalyptic number.

It is an amenable number.

67434673 is a deficient number, since it is larger than the sum of its proper divisors (1).

67434673 is an equidigital number, since it uses as much as digits as its factorization.

67434673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 40.

The square root of 67434673 is about 8211.8617255772. The cubic root of 67434673 is about 407.0312484183.

The spelling of 67434673 in words is "sixty-seven million, four hundred thirty-four thousand, six hundred seventy-three".