30347713872 has 240 divisors, whose sum is σ = 100656890880. Its totient is φ = 8352460800.

The previous prime is 30347713853. The next prime is 30347713889. The reversal of 30347713872 is 27831774303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7153672 + ... + 7157912.

It is an arithmetic number, because the mean of its divisors is an integer number (419403712).

Almost surely, 2^30347713872 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 30347713872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50328445440).

30347713872 is an abundant number, since it is smaller than the sum of its proper divisors (70309177008).

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

30347713872 is a wasteful number, since it uses less digits than its factorization.

30347713872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 30347713872 in words is "thirty billion, three hundred forty-seven million, seven hundred thirteen thousand, eight hundred seventy-two".