672306212 has 12 divisors (see below), whose sum is σ = 1176722316. Its totient is φ = 336099840.

The previous prime is 672306181. The next prime is 672306221. The reversal of 672306212 is 212603276.

It can be written as a sum of positive squares in 2 ways, for example, as 201242596 + 471063616 = 14186^2 + 21704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32912 + ... + 49272.

It is an arithmetic number, because the mean of its divisors is an integer number (98060193).

Almost surely, 2^672306212 is an apocalyptic number.

It is an amenable number.

672306212 is a deficient number, since it is larger than the sum of its proper divisors (504416104).

672306212 is a wasteful number, since it uses less digits than its factorization.

672306212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26638 (or 26636 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 672306212 is about 25928.8683131370. The cubic root of 672306212 is about 876.0368495720.

Adding to 672306212 its reverse (212603276), we get a palindrome (884909488).

The spelling of 672306212 in words is "six hundred seventy-two million, three hundred six thousand, two hundred twelve".