743064391 has 2 divisors, whose sum is σ = 743064392. Its totient is φ = 743064390.

The previous prime is 743064353. The next prime is 743064397. The reversal of 743064391 is 193460347.

It is a strong prime.

It is an emirp because it is prime and its reverse (193460347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 743064391 - 2⁹ = 743063879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 743064391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743064397) 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, 371532195 + 371532196.

It is an arithmetic number, because the mean of its divisors is an integer number (371532196).

Almost surely, 2^743064391 is an apocalyptic number.

743064391 is a deficient number, since it is larger than the sum of its proper divisors (1).

743064391 is an equidigital number, since it uses as much as digits as its factorization.

743064391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 743064391 is about 27259.2074536293. The cubic root of 743064391 is about 905.7509882123.

The spelling of 743064391 in words is "seven hundred forty-three million, sixty-four thousand, three hundred ninety-one".