671442674 has 16 divisors (see below), whose sum is σ = 1153185216. Its totient is φ = 287226000.

The previous prime is 671442661. The next prime is 671442689. The reversal of 671442674 is 476244176.

It is an unprimeable number.

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, 36752 + ... + 51899.

It is an arithmetic number, because the mean of its divisors is an integer number (72074076).

Almost surely, 2^671442674 is an apocalyptic number.

671442674 is a deficient number, since it is larger than the sum of its proper divisors (481742542).

671442674 is a wasteful number, since it uses less digits than its factorization.

671442674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89201.

The product of its digits is 225792, while the sum is 41.

The square root of 671442674 is about 25912.2109052856. The cubic root of 671442674 is about 875.6616161757.

The spelling of 671442674 in words is "six hundred seventy-one million, four hundred forty-two thousand, six hundred seventy-four".