673330366 has 16 divisors (see below), whose sum is σ = 1059368256. Its totient is φ = 320594976.

The previous prime is 673330363. The next prime is 673330397. The reversal of 673330366 is 663033376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673330363) 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 7 ways as a sum of consecutive naturals, for example, 93321 + ... + 100276.

It is an arithmetic number, because the mean of its divisors is an integer number (66210516).

Almost surely, 2^673330366 is an apocalyptic number.

673330366 is a deficient number, since it is larger than the sum of its proper divisors (386037890).

673330366 is a wasteful number, since it uses less digits than its factorization.

673330366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193683.

The product of its (nonzero) digits is 122472, while the sum is 37.

The square root of 673330366 is about 25948.6100976526. The cubic root of 673330366 is about 876.4814592022.

The spelling of 673330366 in words is "six hundred seventy-three million, three hundred thirty thousand, three hundred sixty-six".