30030042 has 48 divisors (see below), whose sum is σ = 72919872. Its totient is φ = 8205120.

The previous prime is 30030037. The next prime is 30030043. The reversal of 30030042 is 24003003.

It is not an unprimeable number, because it can be changed into a prime (30030043) by changing a digit.

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, 4542 + ... + 8982.

It is an arithmetic number, because the mean of its divisors is an integer number (1519164).

Almost surely, 2^30030042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30030042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36459936).

30030042 is an abundant number, since it is smaller than the sum of its proper divisors (42889830).

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

30030042 is a wasteful number, since it uses less digits than its factorization.

30030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483 (or 4476 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30030042 is about 5479.9673356691. The cubic root of 30030042 is about 310.8269354141.

Adding to 30030042 its reverse (24003003), we get a palindrome (54033045).

The spelling of 30030042 in words is "thirty million, thirty thousand, forty-two", and thus it is an eban number.