742838329 has 2 divisors, whose sum is σ = 742838330. Its totient is φ = 742838328.

The previous prime is 742838323. The next prime is 742838339. The reversal of 742838329 is 923838247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444239929 + 298598400 = 21077^2 + 17280^2 .

It is an emirp because it is prime and its reverse (923838247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742838329 - 2²⁹ = 205967417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742838323) 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, 371419164 + 371419165.

It is an arithmetic number, because the mean of its divisors is an integer number (371419165).

Almost surely, 2^742838329 is an apocalyptic number.

It is an amenable number.

742838329 is a deficient number, since it is larger than the sum of its proper divisors (1).

742838329 is an equidigital number, since it uses as much as digits as its factorization.

742838329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 742838329 is about 27255.0606126642. The cubic root of 742838329 is about 905.6591268832.

The spelling of 742838329 in words is "seven hundred forty-two million, eight hundred thirty-eight thousand, three hundred twenty-nine".