72437354111073 has 16 divisors (see below), whose sum is σ = 110387050019840. Its totient is φ = 41390403798096.

The previous prime is 72437354111069. The next prime is 72437354111093. The reversal of 72437354111073 is 37011145373427.

It is not a de Polignac number, because 72437354111073 - 2² = 72437354111069 is a prime.

It is a super-2 number, since 2×72437354111073² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72437354111093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98373613 + ... + 99107226.

It is an arithmetic number, because the mean of its divisors is an integer number (6899190626240).

Almost surely, 2^{72437354111073} is an apocalyptic number.

It is an amenable number.

72437354111073 is a deficient number, since it is larger than the sum of its proper divisors (37949695908767).

72437354111073 is a wasteful number, since it uses less digits than its factorization.

72437354111073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197498316.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 72437354111073 in words is "seventy-two trillion, four hundred thirty-seven billion, three hundred fifty-four million, one hundred eleven thousand, seventy-three".