9945275076 has 81 divisors (see below), whose sum is σ = 27650913199. Its totient is φ = 3011725200.

The previous prime is 9945275069. The next prime is 9945275173. The reversal of 9945275076 is 6705725499.

The square root of 9945275076 is 99726.

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

9945275076 is a `hidden beast` number, since 99 + 45 + 2 + 7 + 507 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6581161 + ... + 6582671.

Almost surely, 2^9945275076 is an apocalyptic number.

9945275076 is the 99726-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9945275076

9945275076 is an abundant number, since it is smaller than the sum of its proper divisors (17705638123).

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

9945275076 is a wasteful number, since it uses less digits than its factorization.

9945275076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The cubic root of 9945275076 is about 2150.4974566245.

The spelling of 9945275076 in words is "nine billion, nine hundred forty-five million, two hundred seventy-five thousand, seventy-six".