73327017137273 has 8 divisors (see below), whose sum is σ = 73374029164680. Its totient is φ = 73280019980160.

The previous prime is 73327017137261. The next prime is 73327017137299. The reversal of 73327017137273 is 37273171072337.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17542669429609 + 55784347707664 = 4188397^2 + 7468892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73327017137273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73327017637273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6156203 + ... + 13585023.

It is an arithmetic number, because the mean of its divisors is an integer number (9171753645585).

Almost surely, 2^{73327017137273} is an apocalyptic number.

It is an amenable number.

73327017137273 is a deficient number, since it is larger than the sum of its proper divisors (47012027407).

73327017137273 is a wasteful number, since it uses less digits than its factorization.

73327017137273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7435147.

The product of its (nonzero) digits is 5445468, while the sum is 53.

The spelling of 73327017137273 in words is "seventy-three trillion, three hundred twenty-seven billion, seventeen million, one hundred thirty-seven thousand, two hundred seventy-three".