30004281072 has 180 divisors, whose sum is σ = 89191286184. Its totient is φ = 9414247680.

The previous prime is 30004281071. The next prime is 30004281089. The reversal of 30004281072 is 27018240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004281071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8471622 + ... + 8475162.

Almost surely, 2^30004281072 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 30004281072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44595643092).

30004281072 is an abundant number, since it is smaller than the sum of its proper divisors (59187005112).

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

30004281072 is a wasteful number, since it uses less digits than its factorization.

30004281072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 30004281072 in words is "thirty billion, four million, two hundred eighty-one thousand, seventy-two".