671307132 has 24 divisors (see below), whose sum is σ = 1608719056. Its totient is φ = 217721088.

The previous prime is 671307097. The next prime is 671307137. The reversal of 671307132 is 231703176.

It is a self number, because there is not a number n which added to its sum of digits gives 671307132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671307137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755533 + ... + 756420.

Almost surely, 2^671307132 is an apocalyptic number.

It is an amenable number.

671307132 is an abundant number, since it is smaller than the sum of its proper divisors (937411924).

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

671307132 is a wasteful number, since it uses less digits than its factorization.

671307132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511997 (or 1511995 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 671307132 is about 25909.5953654240. The cubic root of 671307132 is about 875.6026898673.

The spelling of 671307132 in words is "six hundred seventy-one million, three hundred seven thousand, one hundred thirty-two".