74730505717 has 16 divisors (see below), whose sum is σ = 91230475392. Its totient is φ = 59753272320.

The previous prime is 74730505699. The next prime is 74730505727. The reversal of 74730505717 is 71750503747.

It is not a de Polignac number, because 74730505717 - 2⁷ = 74730505589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74730505727) 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 15 ways as a sum of consecutive naturals, for example, 2765259 + ... + 2792152.

It is an arithmetic number, because the mean of its divisors is an integer number (5701904712).

Almost surely, 2^74730505717 is an apocalyptic number.

It is an amenable number.

74730505717 is a deficient number, since it is larger than the sum of its proper divisors (16499969675).

74730505717 is a wasteful number, since it uses less digits than its factorization.

74730505717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557548.

The product of its (nonzero) digits is 720300, while the sum is 46.

The spelling of 74730505717 in words is "seventy-four billion, seven hundred thirty million, five hundred five thousand, seven hundred seventeen".