74733467993 has 2 divisors, whose sum is σ = 74733467994. Its totient is φ = 74733467992.

The previous prime is 74733467987. The next prime is 74733468041. The reversal of 74733467993 is 39976433747.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61962659929 + 12770808064 = 248923^2 + 113008^2 .

It is a cyclic number.

It is not a de Polignac number, because 74733467993 - 2⁶ = 74733467929 is a prime.

It is not a weakly prime, because it can be changed into another prime (74733467903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37366733996 + 37366733997.

It is an arithmetic number, because the mean of its divisors is an integer number (37366733997).

Almost surely, 2^74733467993 is an apocalyptic number.

It is an amenable number.

74733467993 is a deficient number, since it is larger than the sum of its proper divisors (1).

74733467993 is an equidigital number, since it uses as much as digits as its factorization.

74733467993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72013536, while the sum is 62.

The spelling of 74733467993 in words is "seventy-four billion, seven hundred thirty-three million, four hundred sixty-seven thousand, nine hundred ninety-three".