673106646 has 32 divisors (see below), whose sum is σ = 1422282240. Its totient is φ = 212020256.

The previous prime is 673106641. The next prime is 673106657. The reversal of 673106646 is 646601376.

It is a happy number.

673106646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673106641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32976 + ... + 49331.

It is an arithmetic number, because the mean of its divisors is an integer number (44446320).

Almost surely, 2^673106646 is an apocalyptic number.

673106646 is an abundant number, since it is smaller than the sum of its proper divisors (749175594).

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

673106646 is a wasteful number, since it uses less digits than its factorization.

673106646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82388.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 673106646 is about 25944.2989113215. The cubic root of 673106646 is about 876.3843755302.

The spelling of 673106646 in words is "six hundred seventy-three million, one hundred six thousand, six hundred forty-six".