73444244437 has 16 divisors (see below), whose sum is σ = 80065169280. Its totient is φ = 67156936000.

The previous prime is 73444244413. The next prime is 73444244459.

73444244437 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 73444244437 - 2¹⁹ = 73443720149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73444284437) 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, 477739 + ... + 612472.

It is an arithmetic number, because the mean of its divisors is an integer number (5004073080).

Almost surely, 2^73444244437 is an apocalyptic number.

It is an amenable number.

73444244437 is a deficient number, since it is larger than the sum of its proper divisors (6620924843).

73444244437 is a wasteful number, since it uses less digits than its factorization.

73444244437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090364.

The product of its digits is 3612672, while the sum is 46.

The spelling of 73444244437 in words is "seventy-three billion, four hundred forty-four million, two hundred forty-four thousand, four hundred thirty-seven".