30147568 has 20 divisors (see below), whose sum is σ = 63721368. Its totient is φ = 13703360.

The previous prime is 30147553. The next prime is 30147569. The reversal of 30147568 is 86574103.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147569) 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, 85471 + ... + 85822.

Almost surely, 2^30147568 is an apocalyptic number.

It is an amenable number.

30147568 is an abundant number, since it is smaller than the sum of its proper divisors (33573800).

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

30147568 is a wasteful number, since it uses less digits than its factorization.

30147568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171312 (or 171306 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 30147568 is about 5490.6801035937. The cubic root of 30147568 is about 311.2318931634.

The spelling of 30147568 in words is "thirty million, one hundred forty-seven thousand, five hundred sixty-eight".