30045568 has 32 divisors (see below), whose sum is σ = 68409360. Its totient is φ = 12876288.

The previous prime is 30045557. The next prime is 30045569. The reversal of 30045568 is 86554003.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045569) 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 3 ways as a sum of consecutive naturals, for example, 15871 + ... + 17662.

Almost surely, 2^30045568 is an apocalyptic number.

It is an amenable number.

30045568 is an abundant number, since it is smaller than the sum of its proper divisors (38363792).

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

30045568 is an equidigital number, since it uses as much as digits as its factorization.

30045568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33554 (or 33542 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 30045568 is about 5481.3837668968. The cubic root of 30045568 is about 310.8804936426.

The spelling of 30045568 in words is "thirty million, forty-five thousand, five hundred sixty-eight".