672431212 has 6 divisors (see below), whose sum is σ = 1176754628. Its totient is φ = 336215604.

The previous prime is 672431203. The next prime is 672431231. The reversal of 672431212 is 212134276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84053898 + ... + 84053905.

Almost surely, 2^672431212 is an apocalyptic number.

It is an amenable number.

672431212 is a deficient number, since it is larger than the sum of its proper divisors (504323416).

672431212 is a wasteful number, since it uses less digits than its factorization.

672431212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168107807 (or 168107805 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 672431212 is about 25931.2786418256. The cubic root of 672431212 is about 876.0911392286.

Adding to 672431212 its reverse (212134276), we get a palindrome (884565488).

The spelling of 672431212 in words is "six hundred seventy-two million, four hundred thirty-one thousand, two hundred twelve".