73942243863 has 32 divisors (see below), whose sum is σ = 105699686400. Its totient is φ = 45875760000.

The previous prime is 73942243861. The next prime is 73942243873. The reversal of 73942243863 is 36834224937.

It is not a de Polignac number, because 73942243863 - 2¹ = 73942243861 is a prime.

It is a super-2 number, since 2×73942243863² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73942243861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622333 + ... + 731561.

It is an arithmetic number, because the mean of its divisors is an integer number (3303115200).

Almost surely, 2^73942243863 is an apocalyptic number.

73942243863 is a deficient number, since it is larger than the sum of its proper divisors (31757442537).

73942243863 is a wasteful number, since it uses less digits than its factorization.

73942243863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109543.

The product of its digits is 5225472, while the sum is 51.

The spelling of 73942243863 in words is "seventy-three billion, nine hundred forty-two million, two hundred forty-three thousand, eight hundred sixty-three".