671059172 has 24 divisors (see below), whose sum is σ = 1342973184. Its totient is φ = 287413632.

The previous prime is 671059163. The next prime is 671059211. The reversal of 671059172 is 271950176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43013 + ... + 56499.

It is an arithmetic number, because the mean of its divisors is an integer number (55957216).

Almost surely, 2^671059172 is an apocalyptic number.

It is an amenable number.

671059172 is an abundant number, since it is smaller than the sum of its proper divisors (671914012).

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

671059172 is a wasteful number, since it uses less digits than its factorization.

671059172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275 (or 15273 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 671059172 is about 25904.8098236602. The cubic root of 671059172 is about 875.4948697803.

The spelling of 671059172 in words is "six hundred seventy-one million, fifty-nine thousand, one hundred seventy-two".