30474444 has 192 divisors, whose sum is σ = 99348480. Its totient is φ = 7015680.

The previous prime is 30474443. The next prime is 30474449. The reversal of 30474444 is 44447403.

It is not an unprimeable number, because it can be changed into a prime (30474443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 516487 + ... + 516545.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^30474444 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 30474444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49674240).

30474444 is an abundant number, since it is smaller than the sum of its proper divisors (68874036).

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

30474444 is a wasteful number, since it uses less digits than its factorization.

30474444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 30474444 is about 5520.3662921947. The cubic root of 30474444 is about 312.3526994324.

It can be divided in two parts, 30 and 474444, that added together give a palindrome (474474).

The spelling of 30474444 in words is "thirty million, four hundred seventy-four thousand, four hundred forty-four".