73117040011847 has 4 divisors (see below), whose sum is σ = 78741427705080. Its totient is φ = 67492652318616.

The previous prime is 73117040011819. The next prime is 73117040011867. The reversal of 73117040011847 is 74811004071137.

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 73117040011847 - 2¹² = 73117040007751 is a prime.

It is a super-2 number, since 2×73117040011847² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73117040011798 and 73117040011807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73117040011817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2812193846597 + ... + 2812193846622.

It is an arithmetic number, because the mean of its divisors is an integer number (19685356926270).

Almost surely, 2^{73117040011847} is an apocalyptic number.

73117040011847 is a deficient number, since it is larger than the sum of its proper divisors (5624387693233).

73117040011847 is a wasteful number, since it uses less digits than its factorization.

73117040011847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624387693232.

The product of its (nonzero) digits is 131712, while the sum is 44.

The spelling of 73117040011847 in words is "seventy-three trillion, one hundred seventeen billion, forty million, eleven thousand, eight hundred forty-seven".