73742436511 has 16 divisors (see below), whose sum is σ = 82200756960. Its totient is φ = 65742935040.

The previous prime is 73742436503. The next prime is 73742436541. The reversal of 73742436511 is 11563424737.

It is a cyclic number.

It is not a de Polignac number, because 73742436511 - 2³ = 73742436503 is a prime.

It is a super-3 number, since 3×73742436511³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73742436541) 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, 4092141 + ... + 4110121.

It is an arithmetic number, because the mean of its divisors is an integer number (5137547310).

Almost surely, 2^73742436511 is an apocalyptic number.

73742436511 is a deficient number, since it is larger than the sum of its proper divisors (8458320449).

73742436511 is a wasteful number, since it uses less digits than its factorization.

73742436511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30714.

The product of its digits is 423360, while the sum is 43.

The spelling of 73742436511 in words is "seventy-three billion, seven hundred forty-two million, four hundred thirty-six thousand, five hundred eleven".