671362992 has 100 divisors (see below), whose sum is σ = 2010235920. Its totient is φ = 216058752.

The previous prime is 671362927. The next prime is 671363027. The reversal of 671362992 is 299263176.

It is a happy number.

671362992 is a `hidden beast` number, since 6 + 7 + 13 + 629 + 9 + 2 = 666.

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, 28653 + ... + 46515.

Almost surely, 2^671362992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671362992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005117960).

671362992 is an abundant number, since it is smaller than the sum of its proper divisors (1338872928).

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

671362992 is a wasteful number, since it uses less digits than its factorization.

671362992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17912 (or 17897 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 671362992 is about 25910.6733220115. The cubic root of 671362992 is about 875.6269757256.

The spelling of 671362992 in words is "six hundred seventy-one million, three hundred sixty-two thousand, nine hundred ninety-two".