74538117071 has 16 divisors (see below), whose sum is σ = 84129265440. Its totient is φ = 65416740480.

The previous prime is 74538117041. The next prime is 74538117083. The reversal of 74538117071 is 17071183547.

It is a cyclic number.

It is not a de Polignac number, because 74538117071 - 2⁶ = 74538117007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74538117041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4686785 + ... + 4702661.

It is an arithmetic number, because the mean of its divisors is an integer number (5258079090).

Almost surely, 2^74538117071 is an apocalyptic number.

74538117071 is a deficient number, since it is larger than the sum of its proper divisors (9591148369).

74538117071 is a wasteful number, since it uses less digits than its factorization.

74538117071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30634.

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 74538117071 in words is "seventy-four billion, five hundred thirty-eight million, one hundred seventeen thousand, seventy-one".