673077217 has 2 divisors, whose sum is σ = 673077218. Its totient is φ = 673077216.

The previous prime is 673077203. The next prime is 673077257. The reversal of 673077217 is 712770376.

673077217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (673077257) can be obtained adding 673077217 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427496976 + 245580241 = 20676^2 + 15671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673077217 is a prime.

It is a super-3 number, since 3×673077217³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673077217.

It is not a weakly prime, because it can be changed into another prime (673077257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336538608 + 336538609.

It is an arithmetic number, because the mean of its divisors is an integer number (336538609).

Almost surely, 2^673077217 is an apocalyptic number.

It is an amenable number.

673077217 is a deficient number, since it is larger than the sum of its proper divisors (1).

673077217 is an equidigital number, since it uses as much as digits as its factorization.

673077217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86436, while the sum is 40.

The square root of 673077217 is about 25943.7317477652. The cubic root of 673077217 is about 876.3716031650.

The spelling of 673077217 in words is "six hundred seventy-three million, seventy-seven thousand, two hundred seventeen".