9073661472 has 90 divisors (see below), whose sum is σ = 26699656599. Its totient is φ = 3022937280.

The previous prime is 9073661419. The next prime is 9073661473. The reversal of 9073661472 is 2741663709.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9073661472 is a `hidden beast` number, since 90 + 7 + 36 + 61 + 472 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4536830736 + 4536830736 = 67356^2 + 67356^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=67356.

It is not an unprimeable number, because it can be changed into a prime (9073661473) 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 14 ways as a sum of consecutive naturals, for example, 4848697 + ... + 4850567.

Almost surely, 2^9073661472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9073661472

9073661472 is an abundant number, since it is smaller than the sum of its proper divisors (17625995127).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9073661472 is an frugal number, since it uses more digits than its factorization.

9073661472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 9073661472 is about 95255.7687072022. The cubic root of 9073661472 is about 2085.7433010502.

The spelling of 9073661472 in words is "nine billion, seventy-three million, six hundred sixty-one thousand, four hundred seventy-two".