671836532 has 24 divisors (see below), whose sum is σ = 1299001536. Its totient is φ = 302411648.

The previous prime is 671836531. The next prime is 671836541. The reversal of 671836532 is 235638176.

It is a self number, because there is not a number n which added to its sum of digits gives 671836532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671836531) 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, 213218 + ... + 216345.

It is an arithmetic number, because the mean of its divisors is an integer number (54125064).

Almost surely, 2^671836532 is an apocalyptic number.

It is an amenable number.

671836532 is a deficient number, since it is larger than the sum of its proper divisors (627165004).

671836532 is a wasteful number, since it uses less digits than its factorization.

671836532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429607 (or 429605 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 671836532 is about 25919.8096443627. The cubic root of 671836532 is about 875.8327992779.

The spelling of 671836532 in words is "six hundred seventy-one million, eight hundred thirty-six thousand, five hundred thirty-two".