672224 has 24 divisors (see below), whose sum is σ = 1513008. Its totient is φ = 288000.

The previous prime is 672223. The next prime is 672227. The reversal of 672224 is 422276.

It is a self number, because there is not a number n which added to its sum of digits gives 672224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672223) 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 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (63042).

2⁶⁷²²²⁴ is an apocalyptic number.

It is an amenable number.

672224 is an abundant number, since it is smaller than the sum of its proper divisors (840784).

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

672224 is a wasteful number, since it uses less digits than its factorization.

672224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 3010 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 672224 is about 819.8926759034. The cubic root of 672224 is about 87.6001139814.

The spelling of 672224 in words is "six hundred seventy-two thousand, two hundred twenty-four".