67730027 has 2 divisors, whose sum is σ = 67730028. Its totient is φ = 67730026.

The previous prime is 67730021. The next prime is 67730063. The reversal of 67730027 is 72003776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67730027 - 2⁴ = 67730011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67729975 and 67730002.

It is not a weakly prime, because it can be changed into another prime (67730021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33865013 + 33865014.

It is an arithmetic number, because the mean of its divisors is an integer number (33865014).

Almost surely, 2^67730027 is an apocalyptic number.

67730027 is a deficient number, since it is larger than the sum of its proper divisors (1).

67730027 is an equidigital number, since it uses as much as digits as its factorization.

67730027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 67730027 is about 8229.8254537991. The cubic root of 67730027 is about 407.6246287223.

The spelling of 67730027 in words is "sixty-seven million, seven hundred thirty thousand, twenty-seven".