67275773 has 2 divisors, whose sum is σ = 67275774. Its totient is φ = 67275772.

The previous prime is 67275743. The next prime is 67275787. The reversal of 67275773 is 37757276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62378404 + 4897369 = 7898^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 67275773 - 2¹⁴ = 67259389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67275743) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33637886 + 33637887.

It is an arithmetic number, because the mean of its divisors is an integer number (33637887).

Almost surely, 2^67275773 is an apocalyptic number.

It is an amenable number.

67275773 is a deficient number, since it is larger than the sum of its proper divisors (1).

67275773 is an equidigital number, since it uses as much as digits as its factorization.

67275773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432180, while the sum is 44.

The square root of 67275773 is about 8202.1809904439. The cubic root of 67275773 is about 406.7112936632.

The spelling of 67275773 in words is "sixty-seven million, two hundred seventy-five thousand, seven hundred seventy-three".