742716571 has 2 divisors, whose sum is σ = 742716572. Its totient is φ = 742716570.

The previous prime is 742716539. The next prime is 742716643. The reversal of 742716571 is 175617247.

It is a happy number.

742716571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742716571 - 2⁵ = 742716539 is a prime.

It is not a weakly prime, because it can be changed into another prime (742716521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371358285 + 371358286.

It is an arithmetic number, because the mean of its divisors is an integer number (371358286).

Almost surely, 2^742716571 is an apocalyptic number.

742716571 is a deficient number, since it is larger than the sum of its proper divisors (1).

742716571 is an equidigital number, since it uses as much as digits as its factorization.

742716571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 40.

The square root of 742716571 is about 27252.8268442010. The cubic root of 742716571 is about 905.6096422399.

The spelling of 742716571 in words is "seven hundred forty-two million, seven hundred sixteen thousand, five hundred seventy-one".