674681233 has 2 divisors, whose sum is σ = 674681234. Its totient is φ = 674681232.

The previous prime is 674681213. The next prime is 674681237. The reversal of 674681233 is 332186476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358837249 + 315843984 = 18943^2 + 17772^2 .

It is a cyclic number.

It is not a de Polignac number, because 674681233 - 2¹⁷ = 674550161 is a prime.

It is not a weakly prime, because it can be changed into another prime (674681237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337340616 + 337340617.

It is an arithmetic number, because the mean of its divisors is an integer number (337340617).

Almost surely, 2^674681233 is an apocalyptic number.

It is an amenable number.

674681233 is a deficient number, since it is larger than the sum of its proper divisors (1).

674681233 is an equidigital number, since it uses as much as digits as its factorization.

674681233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 674681233 is about 25974.6267153159. The cubic root of 674681233 is about 877.0672137416.

The spelling of 674681233 in words is "six hundred seventy-four million, six hundred eighty-one thousand, two hundred thirty-three".