672312 has 32 divisors (see below), whose sum is σ = 1702800. Its totient is φ = 221184.

The previous prime is 672311. The next prime is 672317. The reversal of 672312 is 213276.

It is a happy number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488 + ... + 2744.

2⁶⁷²³¹² is an apocalyptic number.

It is an amenable number.

672312 is an abundant number, since it is smaller than the sum of its proper divisors (1030488).

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

672312 is a wasteful number, since it uses less digits than its factorization.

672312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 672312 is about 819.9463397077. The cubic root of 672312 is about 87.6039363549.

Adding to 672312 its reverse (213276), we get a palindrome (885588).

The spelling of 672312 in words is "six hundred seventy-two thousand, three hundred twelve".