673030566 has 64 divisors (see below), whose sum is σ = 1630218240. Its totient is φ = 204573600.

The previous prime is 673030499. The next prime is 673030571. The reversal of 673030566 is 665030376.

673030566 is a `hidden beast` number, since 67 + 3 + 0 + 30 + 566 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 673030566.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 52491 + ... + 64041.

It is an arithmetic number, because the mean of its divisors is an integer number (25472160).

Almost surely, 2^673030566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673030566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815109120).

673030566 is an abundant number, since it is smaller than the sum of its proper divisors (957187674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673030566 is a wasteful number, since it uses less digits than its factorization.

673030566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11658 (or 11652 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 673030566 is about 25942.8326518135. The cubic root of 673030566 is about 876.3513555841.

The spelling of 673030566 in words is "six hundred seventy-three million, thirty thousand, five hundred sixty-six".