74040066739 has 2 divisors, whose sum is σ = 74040066740. Its totient is φ = 74040066738.

The previous prime is 74040066733. The next prime is 74040066757. The reversal of 74040066739 is 93766004047.

It is a weak prime.

It is an emirp because it is prime and its reverse (93766004047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74040066739 - 2⁵ = 74040066707 is a prime.

It is not a weakly prime, because it can be changed into another prime (74040066733) 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, 37020033369 + 37020033370.

It is an arithmetic number, because the mean of its divisors is an integer number (37020033370).

Almost surely, 2^74040066739 is an apocalyptic number.

74040066739 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040066739 is an equidigital number, since it uses as much as digits as its factorization.

74040066739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 74040066739 in words is "seventy-four billion, forty million, sixty-six thousand, seven hundred thirty-nine".