673434212 has 18 divisors (see below), whose sum is σ = 1295387814. Its totient is φ = 306106240.

The previous prime is 673434197. The next prime is 673434247. The reversal of 673434212 is 212434376.

It can be written as a sum of positive squares in only one way, i.e., 467683876 + 205750336 = 21626^2 + 14344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695213 + ... + 696180.

Almost surely, 2^673434212 is an apocalyptic number.

It is an amenable number.

673434212 is a deficient number, since it is larger than the sum of its proper divisors (621953602).

673434212 is a wasteful number, since it uses less digits than its factorization.

673434212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391419 (or 1391406 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 673434212 is about 25950.6110140012. The cubic root of 673434212 is about 876.5265160417.

Adding to 673434212 its reverse (212434376), we get a palindrome (885868588).

The spelling of 673434212 in words is "six hundred seventy-three million, four hundred thirty-four thousand, two hundred twelve".