67009673 has 2 divisors, whose sum is σ = 67009674. Its totient is φ = 67009672.

The previous prime is 67009669. The next prime is 67009753. The reversal of 67009673 is 37690076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48622729 + 18386944 = 6973^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 67009673 - 2² = 67009669 is a prime.

It is equal to p_3952298 and since 67009673 and 3952298 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (67009273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33504836 + 33504837.

It is an arithmetic number, because the mean of its divisors is an integer number (33504837).

Almost surely, 2^67009673 is an apocalyptic number.

It is an amenable number.

67009673 is a deficient number, since it is larger than the sum of its proper divisors (1).

67009673 is an equidigital number, since it uses as much as digits as its factorization.

67009673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 67009673 is about 8185.9436230651. The cubic root of 67009673 is about 406.1743550517.

The spelling of 67009673 in words is "sixty-seven million, nine thousand, six hundred seventy-three".