673456220 has 12 divisors (see below), whose sum is σ = 1414258104. Its totient is φ = 269382480.

The previous prime is 673456219. The next prime is 673456313. The reversal of 673456220 is 22654376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16836386 + ... + 16836425.

It is an arithmetic number, because the mean of its divisors is an integer number (117854842).

Almost surely, 2^673456220 is an apocalyptic number.

It is an amenable number.

673456220 is an abundant number, since it is smaller than the sum of its proper divisors (740801884).

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

673456220 is a wasteful number, since it uses less digits than its factorization.

673456220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33672820 (or 33672818 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 673456220 is about 25951.0350467953. The cubic root of 673456220 is about 876.5360643070.

The spelling of 673456220 in words is "six hundred seventy-three million, four hundred fifty-six thousand, two hundred twenty".