673105066 has 12 divisors (see below), whose sum is σ = 1018710342. Its totient is φ = 333561536.

The previous prime is 673105061. The next prime is 673105087. The reversal of 673105066 is 660501376.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 135839025 + 537266041 = 11655^2 + 23179^2 .

It is not an unprimeable number, because it can be changed into a prime (673105061) 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 in 5 ways as a sum of consecutive naturals, for example, 12360 + ... + 38716.

Almost surely, 2^673105066 is an apocalyptic number.

673105066 is a deficient number, since it is larger than the sum of its proper divisors (345605276).

673105066 is a wasteful number, since it uses less digits than its factorization.

673105066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26585 (or 26472 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 673105066 is about 25944.2684614541. The cubic root of 673105066 is about 876.3836898100.

The spelling of 673105066 in words is "six hundred seventy-three million, one hundred five thousand, sixty-six".