74736691043719 has 4 divisors (see below), whose sum is σ = 74737519122096. Its totient is φ = 74735862965344.

The previous prime is 74736691043683. The next prime is 74736691043723. The reversal of 74736691043719 is 91734019663747.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74736691043719 - 2²⁹ = 74736154172807 is a prime.

It is a super-2 number, since 2×74736691043719² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74736691043789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413903794 + ... + 414084319.

It is an arithmetic number, because the mean of its divisors is an integer number (18684379780524).

Almost surely, 2^{74736691043719} is an apocalyptic number.

74736691043719 is a deficient number, since it is larger than the sum of its proper divisors (828078377).

74736691043719 is an equidigital number, since it uses as much as digits as its factorization.

74736691043719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828078376.

The product of its (nonzero) digits is 144027072, while the sum is 67.

The spelling of 74736691043719 in words is "seventy-four trillion, seven hundred thirty-six billion, six hundred ninety-one million, forty-three thousand, seven hundred nineteen".