674128033 has 2 divisors, whose sum is σ = 674128034. Its totient is φ = 674128032.

The previous prime is 674127991. The next prime is 674128061. The reversal of 674128033 is 330821476.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368332864 + 305795169 = 19192^2 + 17487^2 .

It is a cyclic number.

It is not a de Polignac number, because 674128033 - 2¹³ = 674119841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674128033.

It is not a weakly prime, because it can be changed into another prime (674128073) 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, 337064016 + 337064017.

It is an arithmetic number, because the mean of its divisors is an integer number (337064017).

Almost surely, 2^674128033 is an apocalyptic number.

It is an amenable number.

674128033 is a deficient number, since it is larger than the sum of its proper divisors (1).

674128033 is an equidigital number, since it uses as much as digits as its factorization.

674128033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 674128033 is about 25963.9756778503. The cubic root of 674128033 is about 876.8274332203.

The spelling of 674128033 in words is "six hundred seventy-four million, one hundred twenty-eight thousand, thirty-three".