17980712070 has 128 divisors (see below), whose sum is σ = 46855618560. Its totient is φ = 4402823040.

The previous prime is 17980712069. The next prime is 17980712089. The reversal of 17980712070 is 7021708971.

17980712070 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2713221 + ... + 2719839.

It is an arithmetic number, because the mean of its divisors is an integer number (366059520).

Almost surely, 2^17980712070 is an apocalyptic number.

17980712070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 17980712070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23427809280).

17980712070 is an abundant number, since it is smaller than the sum of its proper divisors (28874906490).

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

17980712070 is a wasteful number, since it uses less digits than its factorization.

17980712070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810.

The product of its (nonzero) digits is 49392, while the sum is 42.

The spelling of 17980712070 in words is "seventeen billion, nine hundred eighty million, seven hundred twelve thousand, seventy".