73189730488 has 256 divisors, whose sum is σ = 178122792960. Its totient is φ = 27471052800.

The previous prime is 73189730447. The next prime is 73189730489. The reversal of 73189730488 is 88403798137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73189730489) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105918223 + ... + 105918913.

It is an arithmetic number, because the mean of its divisors is an integer number (695792160).

Almost surely, 2^73189730488 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 73189730488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89061396480).

73189730488 is an abundant number, since it is smaller than the sum of its proper divisors (104933062472).

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

73189730488 is a wasteful number, since it uses less digits than its factorization.

73189730488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 73189730488 in words is "seventy-three billion, one hundred eighty-nine million, seven hundred thirty thousand, four hundred eighty-eight".