742070157105791 has 2 divisors, whose sum is σ = 742070157105792. Its totient is φ = 742070157105790.

The previous prime is 742070157105713. The next prime is 742070157105833. The reversal of 742070157105791 is 197501751070247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742070157105791 - 2¹⁰ = 742070157104767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742070157105391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371035078552895 + 371035078552896.

It is an arithmetic number, because the mean of its divisors is an integer number (371035078552896).

Almost surely, 2^{742070157105791} is an apocalyptic number.

742070157105791 is a deficient number, since it is larger than the sum of its proper divisors (1).

742070157105791 is an equidigital number, since it uses as much as digits as its factorization.

742070157105791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4321800, while the sum is 56.

The spelling of 742070157105791 in words is "seven hundred forty-two trillion, seventy billion, one hundred fifty-seven million, one hundred five thousand, seven hundred ninety-one".