30504042 has 24 divisors (see below), whose sum is σ = 66227616. Its totient is φ = 10147176.

The previous prime is 30504017. The next prime is 30504043. The reversal of 30504042 is 24040503.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30504043) 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 11 ways as a sum of consecutive naturals, for example, 9123 + ... + 12009.

It is an arithmetic number, because the mean of its divisors is an integer number (2759484).

Almost surely, 2^30504042 is an apocalyptic number.

30504042 is an abundant number, since it is smaller than the sum of its proper divisors (35723574).

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

30504042 is a wasteful number, since it uses less digits than its factorization.

30504042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30504042 is about 5523.0464419557. The cubic root of 30504042 is about 312.4537898605.

Adding to 30504042 its reverse (24040503), we get a palindrome (54544545).

The spelling of 30504042 in words is "thirty million, five hundred four thousand, forty-two".