73242224237 has 32 divisors (see below), whose sum is σ = 91597175040. Its totient is φ = 57022963200.

The previous prime is 73242224221. The next prime is 73242224243.

73242224237 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 73242224237 - 2⁴ = 73242224221 is a prime.

It is a super-2 number, since 2×73242224237² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73242224237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73242224837) 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, 1473689 + ... + 1522577.

It is an arithmetic number, because the mean of its divisors is an integer number (2862411720).

Almost surely, 2^73242224237 is an apocalyptic number.

It is an amenable number.

73242224237 is a deficient number, since it is larger than the sum of its proper divisors (18354950803).

73242224237 is a wasteful number, since it uses less digits than its factorization.

73242224237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49173.

The product of its digits is 225792, while the sum is 38.

The spelling of 73242224237 in words is "seventy-three billion, two hundred forty-two million, two hundred twenty-four thousand, two hundred thirty-seven".