74733487689 has 8 divisors (see below), whose sum is σ = 113879600320. Its totient is φ = 42704850096.

The previous prime is 74733487651. The next prime is 74733487727. The reversal of 74733487689 is 98678433747.

It is an interprime number because it is at equal distance from previous prime (74733487651) and next prime (74733487727).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74733487689 - 2¹¹ = 74733485641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74733487489) 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 in 7 ways as a sum of consecutive naturals, for example, 1779368734 + ... + 1779368775.

It is an arithmetic number, because the mean of its divisors is an integer number (14234950040).

Almost surely, 2^74733487689 is an apocalyptic number.

It is an amenable number.

74733487689 is a deficient number, since it is larger than the sum of its proper divisors (39146112631).

74733487689 is a wasteful number, since it uses less digits than its factorization.

74733487689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558737519.

The product of its digits is 170698752, while the sum is 66.

The spelling of 74733487689 in words is "seventy-four billion, seven hundred thirty-three million, four hundred eighty-seven thousand, six hundred eighty-nine".