673217180 has 12 divisors (see below), whose sum is σ = 1413756120. Its totient is φ = 269286864.

The previous prime is 673217179. The next prime is 673217189. The reversal of 673217180 is 81712376.

It is a self number, because there is not a number n which added to its sum of digits gives 673217180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673217189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16830410 + ... + 16830449.

It is an arithmetic number, because the mean of its divisors is an integer number (117813010).

Almost surely, 2^673217180 is an apocalyptic number.

It is an amenable number.

673217180 is an abundant number, since it is smaller than the sum of its proper divisors (740538940).

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

673217180 is a wasteful number, since it uses less digits than its factorization.

673217180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660868 (or 33660866 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 673217180 is about 25946.4290413922. The cubic root of 673217180 is about 876.4323446344.

The spelling of 673217180 in words is "six hundred seventy-three million, two hundred seventeen thousand, one hundred eighty".