30441072 has 40 divisors (see below), whose sum is σ = 79387776. Its totient is φ = 10050496.

The previous prime is 30441071. The next prime is 30441079. The reversal of 30441072 is 27014403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30441071) 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 7 ways as a sum of consecutive naturals, for example, 2173 + ... + 8099.

Almost surely, 2^30441072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30441072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39693888).

30441072 is an abundant number, since it is smaller than the sum of its proper divisors (48946704).

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

30441072 is a wasteful number, since it uses less digits than its factorization.

30441072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045 (or 6039 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 30441072 is about 5517.3428387223. The cubic root of 30441072 is about 312.2386405663.

Adding to 30441072 its reverse (27014403), we get a palindrome (57455475).

The spelling of 30441072 in words is "thirty million, four hundred forty-one thousand, seventy-two".