74685723163 has 8 divisors (see below), whose sum is σ = 74810382336. Its totient is φ = 74561159400.

The previous prime is 74685723157. The next prime is 74685723193. The reversal of 74685723163 is 36132758647.

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

It is not a de Polignac number, because 74685723163 - 2⁵ = 74685723131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74685723163.

It is not an unprimeable number, because it can be changed into a prime (74685723143) 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 in 7 ways as a sum of consecutive naturals, for example, 1638268 + ... + 1683238.

It is an arithmetic number, because the mean of its divisors is an integer number (9351297792).

Almost surely, 2^74685723163 is an apocalyptic number.

74685723163 is a deficient number, since it is larger than the sum of its proper divisors (124659173).

74685723163 is a wasteful number, since it uses less digits than its factorization.

74685723163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47705.

The product of its digits is 5080320, while the sum is 52.

The spelling of 74685723163 in words is "seventy-four billion, six hundred eighty-five million, seven hundred twenty-three thousand, one hundred sixty-three".