674164 has 6 divisors (see below), whose sum is σ = 1179794. Its totient is φ = 337080.

The previous prime is 674161. The next prime is 674173. The reversal of 674164 is 461476.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 1764 = 820^2 + 42^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84267 + ... + 84274.

2⁶⁷⁴¹⁶⁴ is an apocalyptic number.

It is an amenable number.

674164 is a deficient number, since it is larger than the sum of its proper divisors (505630).

674164 is a wasteful number, since it uses less digits than its factorization.

674164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168545 (or 168543 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 674164 is about 821.0749052309. The cubic root of 674164 is about 87.6843026841.

It can be divided in two parts, 674 and 164, that added together give a palindrome (838).

The spelling of 674164 in words is "six hundred seventy-four thousand, one hundred sixty-four".