671343232 has 32 divisors (see below), whose sum is σ = 1528506720. Its totient is φ = 287718144.

The previous prime is 671343221. The next prime is 671343289. The reversal of 671343232 is 232343176.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 671343194 and 671343203.

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, 373738 + ... + 375529.

It is an arithmetic number, because the mean of its divisors is an integer number (47765835).

Almost surely, 2^671343232 is an apocalyptic number.

It is an amenable number.

671343232 is an abundant number, since it is smaller than the sum of its proper divisors (857163488).

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

671343232 is an equidigital number, since it uses as much as digits as its factorization.

671343232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749288 (or 749276 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

The square root of 671343232 is about 25910.2920091611. The cubic root of 671343232 is about 875.6183849638.

The spelling of 671343232 in words is "six hundred seventy-one million, three hundred forty-three thousand, two hundred thirty-two".