2730545568 has 36 divisors (see below), whose sum is σ = 7764989778. Its totient is φ = 910181760.

The previous prime is 2730545561. The next prime is 2730545569. The reversal of 2730545568 is 8655450372.

2730545568 is a `hidden beast` number, since 2 + 7 + 30 + 54 + 5 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2045571984 + 684973584 = 45228^2 + 26172^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2730545561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4740243 + ... + 4740818.

Almost surely, 2^2730545568 is an apocalyptic number.

It is an amenable number.

2730545568 is an abundant number, since it is smaller than the sum of its proper divisors (5034444210).

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

2730545568 is a wasteful number, since it uses less digits than its factorization.

2730545568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481077 (or 9481066 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 2730545568 is about 52254.6224558172. The cubic root of 2730545568 is about 1397.7080812747.

The spelling of 2730545568 in words is "two billion, seven hundred thirty million, five hundred forty-five thousand, five hundred sixty-eight".