9972567073 has 12 divisors (see below), whose sum is σ = 11602624512. Its totient is φ = 8546527080.

The previous prime is 9972567071. The next prime is 9972567083. The reversal of 9972567073 is 3707652799.

It is a happy number.

It is not a de Polignac number, because 9972567073 - 2¹ = 9972567071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9972567071) 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 11 ways as a sum of consecutive naturals, for example, 388936 + ... + 413782.

It is an arithmetic number, because the mean of its divisors is an integer number (966885376).

Almost surely, 2^9972567073 is an apocalyptic number.

It is an amenable number.

9972567073 is a deficient number, since it is larger than the sum of its proper divisors (1630057439).

9972567073 is a wasteful number, since it uses less digits than its factorization.

9972567073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33052 (or 33045 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 55.

The square root of 9972567073 is about 99862.7411650612. The cubic root of 9972567073 is about 2152.4628041251.

The spelling of 9972567073 in words is "nine billion, nine hundred seventy-two million, five hundred sixty-seven thousand, seventy-three".