674804329 has 2 divisors, whose sum is σ = 674804330. Its totient is φ = 674804328.

The previous prime is 674804327. The next prime is 674804401. The reversal of 674804329 is 923408476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573842025 + 100962304 = 23955^2 + 10048^2 .

It is a cyclic number.

It is not a de Polignac number, because 674804329 - 2¹ = 674804327 is a prime.

Together with 674804327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (674804327) 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, 337402164 + 337402165.

It is an arithmetic number, because the mean of its divisors is an integer number (337402165).

Almost surely, 2^674804329 is an apocalyptic number.

It is an amenable number.

674804329 is a deficient number, since it is larger than the sum of its proper divisors (1).

674804329 is an equidigital number, since it uses as much as digits as its factorization.

674804329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 674804329 is about 25976.9961504405. The cubic root of 674804329 is about 877.1205509796.

The spelling of 674804329 in words is "six hundred seventy-four million, eight hundred four thousand, three hundred twenty-nine".