30112068 has 72 divisors (see below), whose sum is σ = 82851552. Its totient is φ = 8486016.

The previous prime is 30112057. The next prime is 30112073. The reversal of 30112068 is 86021103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 48496 + ... + 49112.

It is an arithmetic number, because the mean of its divisors is an integer number (1150716).

Almost surely, 2^30112068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30112068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41425776).

30112068 is an abundant number, since it is smaller than the sum of its proper divisors (52739484).

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

30112068 is a wasteful number, since it uses less digits than its factorization.

30112068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 30112068 is about 5487.4464006494. The cubic root of 30112068 is about 311.1096824008.

The spelling of 30112068 in words is "thirty million, one hundred twelve thousand, sixty-eight".