67271983 has 2 divisors, whose sum is σ = 67271984. Its totient is φ = 67271982.

The previous prime is 67271947. The next prime is 67272013. The reversal of 67271983 is 38917276.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67271983 - 2¹⁷ = 67140911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67271903) 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, 33635991 + 33635992.

It is an arithmetic number, because the mean of its divisors is an integer number (33635992).

Almost surely, 2^67271983 is an apocalyptic number.

67271983 is a deficient number, since it is larger than the sum of its proper divisors (1).

67271983 is an equidigital number, since it uses as much as digits as its factorization.

67271983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 67271983 is about 8201.9499510787. The cubic root of 67271983 is about 406.7036561206.

The spelling of 67271983 in words is "sixty-seven million, two hundred seventy-one thousand, nine hundred eighty-three".