72017334273 has 16 divisors (see below), whose sum is σ = 96275920896. Its totient is φ = 47885223120.

The previous prime is 72017334271. The next prime is 72017334283. The reversal of 72017334273 is 37243371027.

It is not a de Polignac number, because 72017334273 - 2¹ = 72017334271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72017334271) 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, 5479636 + ... + 5492762.

It is an arithmetic number, because the mean of its divisors is an integer number (6017245056).

Almost surely, 2^72017334273 is an apocalyptic number.

It is an amenable number.

72017334273 is a deficient number, since it is larger than the sum of its proper divisors (24258586623).

72017334273 is a wasteful number, since it uses less digits than its factorization.

72017334273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804.

The product of its (nonzero) digits is 148176, while the sum is 39.

The spelling of 72017334273 in words is "seventy-two billion, seventeen million, three hundred thirty-four thousand, two hundred seventy-three".