742813343 has 2 divisors, whose sum is σ = 742813344. Its totient is φ = 742813342.

The previous prime is 742813339. The next prime is 742813381. The reversal of 742813343 is 343318247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742813343 - 2² = 742813339 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742813843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371406671 + 371406672.

It is an arithmetic number, because the mean of its divisors is an integer number (371406672).

Almost surely, 2^742813343 is an apocalyptic number.

742813343 is a deficient number, since it is larger than the sum of its proper divisors (1).

742813343 is an equidigital number, since it uses as much as digits as its factorization.

742813343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 742813343 is about 27254.6022352189. The cubic root of 742813343 is about 905.6489725640.

The spelling of 742813343 in words is "seven hundred forty-two million, eight hundred thirteen thousand, three hundred forty-three".