674791 has 4 divisors (see below), whose sum is σ = 726712. Its totient is φ = 622872.

The previous prime is 674789. The next prime is 674813. The reversal of 674791 is 197476.

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 674791 - 2¹ = 674789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674701) 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, 25941 + ... + 25966.

It is an arithmetic number, because the mean of its divisors is an integer number (181678).

2⁶⁷⁴⁷⁹¹ is an apocalyptic number.

674791 is a deficient number, since it is larger than the sum of its proper divisors (51921).

674791 is a wasteful number, since it uses less digits than its factorization.

674791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51920.

The product of its digits is 10584, while the sum is 34.

The square root of 674791 is about 821.4566330611. The cubic root of 674791 is about 87.7114775865.

The spelling of 674791 in words is "six hundred seventy-four thousand, seven hundred ninety-one".