673158212 has 12 divisors (see below), whose sum is σ = 1180763136. Its totient is φ = 335797320.

The previous prime is 673158209. The next prime is 673158217. The reversal of 673158212 is 212851376.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (673158217) 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, 193508 + ... + 196955.

It is an arithmetic number, because the mean of its divisors is an integer number (98396928).

Almost surely, 2^673158212 is an apocalyptic number.

It is an amenable number.

673158212 is a deficient number, since it is larger than the sum of its proper divisors (507604924).

673158212 is a wasteful number, since it uses less digits than its factorization.

673158212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390898 (or 390896 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 673158212 is about 25945.2926751656. The cubic root of 673158212 is about 876.4067545905.

The spelling of 673158212 in words is "six hundred seventy-three million, one hundred fifty-eight thousand, two hundred twelve".