73224342861 has 4 divisors (see below), whose sum is σ = 97632457152. Its totient is φ = 48816228572.

The previous prime is 73224342859. The next prime is 73224342899. The reversal of 73224342861 is 16824342237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73224342861 - 2¹ = 73224342859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73224342161) 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, 12204057141 + ... + 12204057146.

It is an arithmetic number, because the mean of its divisors is an integer number (24408114288).

Almost surely, 2^73224342861 is an apocalyptic number.

It is an amenable number.

73224342861 is a deficient number, since it is larger than the sum of its proper divisors (24408114291).

73224342861 is a wasteful number, since it uses less digits than its factorization.

73224342861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24408114290.

The product of its digits is 387072, while the sum is 42.

The spelling of 73224342861 in words is "seventy-three billion, two hundred twenty-four million, three hundred forty-two thousand, eight hundred sixty-one".