30703964688 has 120 divisors (see below), whose sum is σ = 87325973280. Its totient is φ = 10068917760.

The previous prime is 30703964651. The next prime is 30703964689. The reversal of 30703964688 is 88646930703.

It is not an unprimeable number, because it can be changed into a prime (30703964689) 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 23 ways as a sum of consecutive naturals, for example, 4401043 + ... + 4408013.

It is an arithmetic number, because the mean of its divisors is an integer number (727716444).

Almost surely, 2^30703964688 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 30703964688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43662986640).

30703964688 is an abundant number, since it is smaller than the sum of its proper divisors (56622008592).

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

30703964688 is a wasteful number, since it uses less digits than its factorization.

30703964688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477 (or 7468 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 30703964688 in words is "thirty billion, seven hundred three million, nine hundred sixty-four thousand, six hundred eighty-eight".