7273190089 has 9 divisors (see below), whose sum is σ = 7995529479. Its totient is φ = 6611138160.

The previous prime is 7273190069. The next prime is 7273190153. The reversal of 7273190089 is 9800913727.

It is a happy number.

The square root of 7273190089 is 85283.

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

It can be written as a sum of positive squares in only one way, i.e., 7239457225 + 33732864 = 85085^2 + 5808^2 .

It is not a de Polignac number, because 7273190089 - 2¹⁹ = 7272665801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7273190059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 934237 + ... + 941989.

Almost surely, 2^7273190089 is an apocalyptic number.

7273190089 is the 85283-rd square number.

7273190089 is the 42642-nd centered octagonal number.

It is an amenable number.

7273190089 is a deficient number, since it is larger than the sum of its proper divisors (722339390).

7273190089 is an frugal number, since it uses more digits than its factorization.

7273190089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528 (or 7764 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The cubic root of 7273190089 is about 1937.4997096025.

The spelling of 7273190089 in words is "seven billion, two hundred seventy-three million, one hundred ninety thousand, eighty-nine".