742942913 has 2 divisors, whose sum is σ = 742942914. Its totient is φ = 742942912.

The previous prime is 742942903. The next prime is 742942951. The reversal of 742942913 is 319249247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488763664 + 254179249 = 22108^2 + 15943^2 .

It is a cyclic number.

It is not a de Polignac number, because 742942913 - 2¹⁸ = 742680769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (742942903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371471456 + 371471457.

It is an arithmetic number, because the mean of its divisors is an integer number (371471457).

Almost surely, 2^742942913 is an apocalyptic number.

It is an amenable number.

742942913 is a deficient number, since it is larger than the sum of its proper divisors (1).

742942913 is an equidigital number, since it uses as much as digits as its factorization.

742942913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 742942913 is about 27256.9791613084. The cubic root of 742942913 is about 905.7016273869.

The spelling of 742942913 in words is "seven hundred forty-two million, nine hundred forty-two thousand, nine hundred thirteen".