673939180 has 12 divisors (see below), whose sum is σ = 1415272320. Its totient is φ = 269575664.

The previous prime is 673939159. The next prime is 673939183. The reversal of 673939180 is 81939376.

It is a self number, because there is not a number n which added to its sum of digits gives 673939180.

It is not an unprimeable number, because it can be changed into a prime (673939183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16848460 + ... + 16848499.

It is an arithmetic number, because the mean of its divisors is an integer number (117939360).

Almost surely, 2^673939180 is an apocalyptic number.

It is an amenable number.

673939180 is an abundant number, since it is smaller than the sum of its proper divisors (741333140).

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

673939180 is a wasteful number, since it uses less digits than its factorization.

673939180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33696968 (or 33696966 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 673939180 is about 25960.3385956347. The cubic root of 673939180 is about 876.7455462252.

The spelling of 673939180 in words is "six hundred seventy-three million, nine hundred thirty-nine thousand, one hundred eighty".