672628 has 12 divisors (see below), whose sum is σ = 1284192. Its totient is φ = 305720.

The previous prime is 672593. The next prime is 672629. The reversal of 672628 is 826276.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 672628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672629) by changing a digit.

672628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (107016).

2⁶⁷²⁶²⁸ is an apocalyptic number.

It is an amenable number.

672628 is a deficient number, since it is larger than the sum of its proper divisors (611564).

672628 is a wasteful number, since it uses less digits than its factorization.

672628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15302 (or 15300 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 672628 is about 820.1390126070. The cubic root of 672628 is about 87.6176594020.

The spelling of 672628 in words is "six hundred seventy-two thousand, six hundred twenty-eight".