742043899 has 2 divisors, whose sum is σ = 742043900. Its totient is φ = 742043898.

The previous prime is 742043893. The next prime is 742043903. The reversal of 742043899 is 998340247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742043899 - 2¹¹ = 742041851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742043893) 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, 371021949 + 371021950.

It is an arithmetic number, because the mean of its divisors is an integer number (371021950).

Almost surely, 2^742043899 is an apocalyptic number.

742043899 is a deficient number, since it is larger than the sum of its proper divisors (1).

742043899 is an equidigital number, since it uses as much as digits as its factorization.

742043899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 742043899 is about 27240.4827233293. The cubic root of 742043899 is about 905.3361587089.

The spelling of 742043899 in words is "seven hundred forty-two million, forty-three thousand, eight hundred ninety-nine".