74706166033 has 2 divisors, whose sum is σ = 74706166034. Its totient is φ = 74706166032.

The previous prime is 74706166027. The next prime is 74706166091. The reversal of 74706166033 is 33066160747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68279257809 + 6426908224 = 261303^2 + 80168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74706166033 is a prime.

It is a super-2 number, since 2×74706166033² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74706160033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37353083016 + 37353083017.

It is an arithmetic number, because the mean of its divisors is an integer number (37353083017).

Almost surely, 2^74706166033 is an apocalyptic number.

It is an amenable number.

74706166033 is a deficient number, since it is larger than the sum of its proper divisors (1).

74706166033 is an equidigital number, since it uses as much as digits as its factorization.

74706166033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 74706166033 in words is "seventy-four billion, seven hundred six million, one hundred sixty-six thousand, thirty-three".