674217 has 8 divisors (see below), whose sum is σ = 998880. Its totient is φ = 449460.

The previous prime is 674189. The next prime is 674227. The reversal of 674217 is 712476.

It is not a de Polignac number, because 674217 - 2⁸ = 673961 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: 24971 = 674217 / (6 + 7 + 4 + 2 + 1 + 7).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 674217.

It is not an unprimeable number, because it can be changed into a prime (674227) 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, 12459 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (124860).

2⁶⁷⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

674217 is a deficient number, since it is larger than the sum of its proper divisors (324663).

674217 is a wasteful number, since it uses less digits than its factorization.

674217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980 (or 24974 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 674217 is about 821.1071793621. The cubic root of 674217 is about 87.6866004170.

The spelling of 674217 in words is "six hundred seventy-four thousand, two hundred seventeen".