674771 has 2 divisors, whose sum is σ = 674772. Its totient is φ = 674770.

The previous prime is 674767. The next prime is 674789. The reversal of 674771 is 177476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674771 - 2² = 674767 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337385 + 337386.

It is an arithmetic number, because the mean of its divisors is an integer number (337386).

2⁶⁷⁴⁷⁷¹ is an apocalyptic number.

674771 is a deficient number, since it is larger than the sum of its proper divisors (1).

674771 is an equidigital number, since it uses as much as digits as its factorization.

674771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232, while the sum is 32.

The square root of 674771 is about 821.4444594737. Note that the first 4 decimals coincide. The cubic root of 674771 is about 87.7106110234.

The spelling of 674771 in words is "six hundred seventy-four thousand, seven hundred seventy-one".