9042030 has 72 divisors (see below), whose sum is σ = 24786216. Its totient is φ = 2371680.

The previous prime is 9042029. The next prime is 9042037. The reversal of 9042030 is 302409.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9041994 and 9042012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042037) 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 35 ways as a sum of consecutive naturals, for example, 148200 + ... + 148260.

It is an arithmetic number, because the mean of its divisors is an integer number (344253).

Almost surely, 2^9042030 is an apocalyptic number.

9042030 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9042030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12393108).

9042030 is an abundant number, since it is smaller than the sum of its proper divisors (15744186).

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

9042030 is an equidigital number, since it uses as much as digits as its factorization.

9042030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 9042030 is about 3006.9968407034. The cubic root of 9042030 is about 208.3316792758.

Adding to 9042030 its reverse (302409), we get a palindrome (9344439).

The spelling of 9042030 in words is "nine million, forty-two thousand, thirty".