671042 has 8 divisors (see below), whose sum is σ = 1059600. Its totient is φ = 317844.

The previous prime is 671039. The next prime is 671059. The reversal of 671042 is 240176.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792 + ... + 8867.

It is an arithmetic number, because the mean of its divisors is an integer number (132450).

2⁶⁷¹⁰⁴² is an apocalyptic number.

671042 is a deficient number, since it is larger than the sum of its proper divisors (388558).

671042 is a wasteful number, since it uses less digits than its factorization.

671042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 671042 is about 819.1715327085. The cubic root of 671042 is about 87.5487401921.

The spelling of 671042 in words is "six hundred seventy-one thousand, forty-two".