73017227089 has 3 divisors (see below), whose sum is σ = 73017497307. Its totient is φ = 73016956872.

The previous prime is 73017227027. The next prime is 73017227111. The reversal of 73017227089 is 98072271037.

It is a happy number.

The square root of 73017227089 is 270217.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98072271037 = 13 ⋅7544020849.

It can be written as a sum of positive squares in only one way, i.e., 22844811025 + 50172416064 = 151145^2 + 223992^2 .

It is not a de Polignac number, because 73017227089 - 2⁹ = 73017226577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73017227189) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135109 + ... + 405325.

It is an arithmetic number, because the mean of its divisors is an integer number (24339165769).

Almost surely, 2^73017227089 is an apocalyptic number.

73017227089 is the 270217-th square number.

73017227089 is the 135109-th centered octagonal number.

It is an amenable number.

73017227089 is a deficient number, since it is larger than the sum of its proper divisors (270218).

73017227089 is an frugal number, since it uses more digits than its factorization.

73017227089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540434 (or 270217 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 73017227089 in words is "seventy-three billion, seventeen million, two hundred twenty-seven thousand, eighty-nine".