73530108988 has 96 divisors (see below), whose sum is σ = 151885246464. Its totient is φ = 30496048128.

The previous prime is 73530108961. The next prime is 73530109021. The reversal of 73530108988 is 88980103537.

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 31 ways as a sum of consecutive naturals, for example, 56430745 + ... + 56432047.

It is an arithmetic number, because the mean of its divisors is an integer number (1582137984).

Almost surely, 2^73530108988 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 73530108988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75942623232).

73530108988 is an abundant number, since it is smaller than the sum of its proper divisors (78355137476).

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

73530108988 is a wasteful number, since it uses less digits than its factorization.

73530108988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 73530108988 in words is "seventy-three billion, five hundred thirty million, one hundred eight thousand, nine hundred eighty-eight".