671123674 has 12 divisors (see below), whose sum is σ = 1090080126. Its totient is φ = 309749232.

The previous prime is 671123653. The next prime is 671123699. The reversal of 671123674 is 476321176.

It can be written as a sum of positive squares in 3 ways, for example, as 266832225 + 404291449 = 16335^2 + 20107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992449 + ... + 993124.

Almost surely, 2^671123674 is an apocalyptic number.

671123674 is a deficient number, since it is larger than the sum of its proper divisors (418956452).

671123674 is a wasteful number, since it uses less digits than its factorization.

671123674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985601 (or 1985588 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 671123674 is about 25906.0547748977. The cubic root of 671123674 is about 875.5229196469.

The spelling of 671123674 in words is "six hundred seventy-one million, one hundred twenty-three thousand, six hundred seventy-four".