30433242 has 16 divisors (see below), whose sum is σ = 69561792. Its totient is φ = 8695200.

The previous prime is 30433237. The next prime is 30433243. The reversal of 30433242 is 24233403.

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

It is not an unprimeable number, because it can be changed into a prime (30433243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362259 + ... + 362342.

It is an arithmetic number, because the mean of its divisors is an integer number (4347612).

Almost surely, 2^30433242 is an apocalyptic number.

30433242 is an abundant number, since it is smaller than the sum of its proper divisors (39128550).

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

30433242 is a wasteful number, since it uses less digits than its factorization.

30433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724613.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30433242 is about 5516.6332123860. The cubic root of 30433242 is about 312.2118671092.

Adding to 30433242 its reverse (24233403), we get a palindrome (54666645).

The spelling of 30433242 in words is "thirty million, four hundred thirty-three thousand, two hundred forty-two".