671290682 has 16 divisors (see below), whose sum is σ = 1013404392. Its totient is φ = 333496320.

The previous prime is 671290643. The next prime is 671290703. The reversal of 671290682 is 286092176.

It can be written as a sum of positive squares in 4 ways, for example, as 642571801 + 28718881 = 25349^2 + 5359^2 .

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 7 ways as a sum of consecutive naturals, for example, 235538 + ... + 238370.

Almost surely, 2^671290682 is an apocalyptic number.

671290682 is a deficient number, since it is larger than the sum of its proper divisors (342113710).

671290682 is a wasteful number, since it uses less digits than its factorization.

671290682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 671290682 is about 25909.2779135197. The cubic root of 671290682 is about 875.5955377600.

The spelling of 671290682 in words is "six hundred seventy-one million, two hundred ninety thousand, six hundred eighty-two".