674165 has 8 divisors (see below), whose sum is σ = 817080. Its totient is φ = 533952.

The previous prime is 674161. The next prime is 674173. The reversal of 674165 is 561476.

674165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 188356 + 485809 = 434^2 + 697^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 674165 - 2² = 674161 is a prime.

It is a super-4 number, since 4×674165⁴ (a number of 24 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (102135).

2⁶⁷⁴¹⁶⁵ is an apocalyptic number.

It is an amenable number.

674165 is a deficient number, since it is larger than the sum of its proper divisors (142915).

674165 is a wasteful number, since it uses less digits than its factorization.

674165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 5040, while the sum is 29.

The square root of 674165 is about 821.0755141886. The cubic root of 674165 is about 87.6843460387.

The spelling of 674165 in words is "six hundred seventy-four thousand, one hundred sixty-five".