72733502843 has 16 divisors (see below), whose sum is σ = 77684106240. Its totient is φ = 67896259200.

The previous prime is 72733502833. The next prime is 72733502851. The reversal of 72733502843 is 34820533727.

It is a cyclic number.

It is not a de Polignac number, because 72733502843 - 2¹⁶ = 72733437307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72733502794 and 72733502803.

It is not an unprimeable number, because it can be changed into a prime (72733502833) 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, 2509571 + ... + 2538387.

It is an arithmetic number, because the mean of its divisors is an integer number (4855256640).

Almost surely, 2^72733502843 is an apocalyptic number.

72733502843 is a deficient number, since it is larger than the sum of its proper divisors (4950603397).

72733502843 is a wasteful number, since it uses less digits than its factorization.

72733502843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30778.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 72733502843 in words is "seventy-two billion, seven hundred thirty-three million, five hundred two thousand, eight hundred forty-three".