671674 has 8 divisors (see below), whose sum is σ = 1014048. Its totient is φ = 333660.

The previous prime is 671651. The next prime is 671681. The reversal of 671674 is 476176.

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

It is a super-2 number, since 2×671674² = 902291924552, which contains 22 as substring.

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, 672 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (126756).

2⁶⁷¹⁶⁷⁴ is an apocalyptic number.

671674 is a deficient number, since it is larger than the sum of its proper divisors (342374).

671674 is a wasteful number, since it uses less digits than its factorization.

671674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its digits is 7056, while the sum is 31.

The square root of 671674 is about 819.5571975158. The cubic root of 671674 is about 87.5762165857.

It can be divided in two parts, 671 and 674, that multiplied together give a palindrome (452254).

The spelling of 671674 in words is "six hundred seventy-one thousand, six hundred seventy-four".