30798018702 has 96 divisors (see below), whose sum is σ = 73893980160. Its totient is φ = 9192456000.

The previous prime is 30798018701. The next prime is 30798018743. The reversal of 30798018702 is 20781089703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30798018701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7208827 + ... + 7213097.

It is an arithmetic number, because the mean of its divisors is an integer number (769728960).

Almost surely, 2^30798018702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30798018702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36946990080).

30798018702 is an abundant number, since it is smaller than the sum of its proper divisors (43095961458).

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

30798018702 is a wasteful number, since it uses less digits than its factorization.

30798018702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 30798018702 in words is "thirty billion, seven hundred ninety-eight million, eighteen thousand, seven hundred two".