74159337157 has 2 divisors, whose sum is σ = 74159337158. Its totient is φ = 74159337156.

The previous prime is 74159337151. The next prime is 74159337199. The reversal of 74159337157 is 75173395147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74054192641 + 105144516 = 272129^2 + 10254^2 .

It is a cyclic number.

It is not a de Polignac number, because 74159337157 - 2³ = 74159337149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74159337151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37079668578 + 37079668579.

It is an arithmetic number, because the mean of its divisors is an integer number (37079668579).

Almost surely, 2^74159337157 is an apocalyptic number.

It is an amenable number.

74159337157 is a deficient number, since it is larger than the sum of its proper divisors (1).

74159337157 is an equidigital number, since it uses as much as digits as its factorization.

74159337157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2778300, while the sum is 52.

The spelling of 74159337157 in words is "seventy-four billion, one hundred fifty-nine million, three hundred thirty-seven thousand, one hundred fifty-seven".