671143294 has 8 divisors (see below), whose sum is σ = 1012277448. Its totient is φ = 333717480.

The previous prime is 671143279. The next prime is 671143303. The reversal of 671143294 is 492341176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 926632 + ... + 927355.

It is an arithmetic number, because the mean of its divisors is an integer number (126534681).

Almost surely, 2^671143294 is an apocalyptic number.

671143294 is a deficient number, since it is larger than the sum of its proper divisors (341134154).

671143294 is a wasteful number, since it uses less digits than its factorization.

671143294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854170.

The product of its digits is 36288, while the sum is 37.

The square root of 671143294 is about 25906.4334480839. The cubic root of 671143294 is about 875.5314514039.

It can be divided in two parts, 6711 and 43294, that added together give a palindrome (50005).

The spelling of 671143294 in words is "six hundred seventy-one million, one hundred forty-three thousand, two hundred ninety-four".