30504442 has 8 divisors (see below), whose sum is σ = 45820800. Its totient is φ = 15230844.

The previous prime is 30504431. The next prime is 30504449. The reversal of 30504442 is 24440503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30504449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842 + ... + 11797.

It is an arithmetic number, because the mean of its divisors is an integer number (5727600).

Almost surely, 2^30504442 is an apocalyptic number.

30504442 is a deficient number, since it is larger than the sum of its proper divisors (15316358).

30504442 is a wasteful number, since it uses less digits than its factorization.

30504442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21380.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 30504442 is about 5523.0826537360. The cubic root of 30504442 is about 312.4551555917.

Adding to 30504442 its reverse (24440503), we get a palindrome (54944945).

The spelling of 30504442 in words is "thirty million, five hundred four thousand, four hundred forty-two".