9073439206225 has 27 divisors (see below), whose sum is σ = 11357287245297. Its totient is φ = 7190856038880.

The previous prime is 9073439206211. The next prime is 9073439206229. The reversal of 9073439206225 is 5226029343709.

The square root of 9073439206225 is 3012215.

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

It can be written as a sum of positive squares in 4 ways, for example, as 33266476881 + 9040172729344 = 182391^2 + 3006688^2 .

It is not a de Polignac number, because 9073439206225 - 2⁹ = 9073439205713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9073439206229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1641654412 + ... + 1641659938.

Almost surely, 2^{9073439206225} is an apocalyptic number.

9073439206225 is the 3012215-th square number.

9073439206225 is the 1506108-th centered octagonal number.

It is an amenable number.

9073439206225 is a deficient number, since it is larger than the sum of its proper divisors (2283848039072).

9073439206225 is an frugal number, since it uses more digits than its factorization.

9073439206225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 9073439206225 in words is "nine trillion, seventy-three billion, four hundred thirty-nine million, two hundred six thousand, two hundred twenty-five".