73031228089 has 4 divisors (see below), whose sum is σ = 73034712180. Its totient is φ = 73027744000.

The previous prime is 73031228059. The next prime is 73031228107. The reversal of 73031228089 is 98082213037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98082213037 = 21991 ⋅4460107.

It can be written as a sum of positive squares in 2 ways, for example, as 43616234025 + 29414994064 = 208845^2 + 171508^2 .

It is a cyclic number.

It is not a de Polignac number, because 73031228089 - 2¹⁷ = 73031097017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73031228059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710412 + ... + 1752589.

It is an arithmetic number, because the mean of its divisors is an integer number (18258678045).

Almost surely, 2^73031228089 is an apocalyptic number.

It is an amenable number.

73031228089 is a deficient number, since it is larger than the sum of its proper divisors (3484091).

73031228089 is a wasteful number, since it uses less digits than its factorization.

73031228089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484090.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 73031228089 in words is "seventy-three billion, thirty-one million, two hundred twenty-eight thousand, eighty-nine".