30748794120 has 96 divisors (see below), whose sum is σ = 109018465920. Its totient is φ = 7454252160.

The previous prime is 30748794113. The next prime is 30748794137. The reversal of 30748794120 is 2149784703.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3878464 + ... + 3886383.

It is an arithmetic number, because the mean of its divisors is an integer number (1135609020).

Almost surely, 2^30748794120 is an apocalyptic number.

30748794120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30748794120 is an abundant number, since it is smaller than the sum of its proper divisors (78269671800).

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

30748794120 is a wasteful number, since it uses less digits than its factorization.

30748794120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764875 (or 7764868 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 30748794120 in words is "thirty billion, seven hundred forty-eight million, seven hundred ninety-four thousand, one hundred twenty".