674109 has 8 divisors (see below), whose sum is σ = 998720. Its totient is φ = 449388.

The previous prime is 674099. The next prime is 674117. The reversal of 674109 is 901476.

674109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-674109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 24967 = 674109 / (6 + 7 + 4 + 1 + 0 + 9).

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

It is a Duffinian number.

674109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674159) 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, 12457 + ... + 12510.

It is an arithmetic number, because the mean of its divisors is an integer number (124840).

2⁶⁷⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

674109 is a deficient number, since it is larger than the sum of its proper divisors (324611).

674109 is a wasteful number, since it uses less digits than its factorization.

674109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24976 (or 24970 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 674109 is about 821.0414118667. The cubic root of 674109 is about 87.6819181171.

The spelling of 674109 in words is "six hundred seventy-four thousand, one hundred nine".