673238628 has 60 divisors (see below), whose sum is σ = 1852626160. Its totient is φ = 212599728.

The previous prime is 673238611. The next prime is 673238651. The reversal of 673238628 is 826832376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48526 + ... + 60837.

Almost surely, 2^673238628 is an apocalyptic number.

It is an amenable number.

673238628 is an abundant number, since it is smaller than the sum of its proper divisors (1179387532).

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

673238628 is a wasteful number, since it uses less digits than its factorization.

673238628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109398 (or 109387 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 673238628 is about 25946.8423512380. The cubic root of 673238628 is about 876.4416519436.

The spelling of 673238628 in words is "six hundred seventy-three million, two hundred thirty-eight thousand, six hundred twenty-eight".