674691 has 4 divisors (see below), whose sum is σ = 899592. Its totient is φ = 449792.

The previous prime is 674683. The next prime is 674693. The reversal of 674691 is 196476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674691 - 2³ = 674683 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 674691.

It is not an unprimeable number, because it can be changed into a prime (674693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112446 + ... + 112451.

It is an arithmetic number, because the mean of its divisors is an integer number (224898).

2⁶⁷⁴⁶⁹¹ is an apocalyptic number.

674691 is a deficient number, since it is larger than the sum of its proper divisors (224901).

674691 is a wasteful number, since it uses less digits than its factorization.

674691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224900.

The product of its digits is 9072, while the sum is 33.

The square root of 674691 is about 821.3957633200. The cubic root of 674691 is about 87.7071445999.

The spelling of 674691 in words is "six hundred seventy-four thousand, six hundred ninety-one".