74736063737 has 2 divisors, whose sum is σ = 74736063738. Its totient is φ = 74736063736.

The previous prime is 74736063733. The next prime is 74736063751. The reversal of 74736063737 is 73736063747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73230313321 + 1505750416 = 270611^2 + 38804^2 .

It is an emirp because it is prime and its reverse (73736063747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74736063737 - 2² = 74736063733 is a prime.

It is not a weakly prime, because it can be changed into another prime (74736063733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37368031868 + 37368031869.

It is an arithmetic number, because the mean of its divisors is an integer number (37368031869).

Almost surely, 2^74736063737 is an apocalyptic number.

It is an amenable number.

74736063737 is a deficient number, since it is larger than the sum of its proper divisors (1).

74736063737 is an equidigital number, since it uses as much as digits as its factorization.

74736063737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9335088, while the sum is 53.

The spelling of 74736063737 in words is "seventy-four billion, seven hundred thirty-six million, sixty-three thousand, seven hundred thirty-seven".