74347731233 has 2 divisors, whose sum is σ = 74347731234. Its totient is φ = 74347731232.

The previous prime is 74347731229. The next prime is 74347731343. The reversal of 74347731233 is 33213774347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73415528209 + 932203024 = 270953^2 + 30532^2 .

It is a cyclic number.

It is not a de Polignac number, because 74347731233 - 2² = 74347731229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74347731203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37173865616 + 37173865617.

It is an arithmetic number, because the mean of its divisors is an integer number (37173865617).

Almost surely, 2^74347731233 is an apocalyptic number.

It is an amenable number.

74347731233 is a deficient number, since it is larger than the sum of its proper divisors (1).

74347731233 is an equidigital number, since it uses as much as digits as its factorization.

74347731233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 44.

The spelling of 74347731233 in words is "seventy-four billion, three hundred forty-seven million, seven hundred thirty-one thousand, two hundred thirty-three".