73889341220 has 24 divisors (see below), whose sum is σ = 155507171064. Its totient is φ = 29491059456.

The previous prime is 73889341199. The next prime is 73889341223. The reversal of 73889341220 is 2214398837.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42293567716 + 31595773504 = 205654^2 + 177752^2 .

It is not an unprimeable number, because it can be changed into a prime (73889341223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4032947 + ... + 4051226.

It is an arithmetic number, because the mean of its divisors is an integer number (6479465461).

Almost surely, 2^73889341220 is an apocalyptic number.

It is an amenable number.

73889341220 is an abundant number, since it is smaller than the sum of its proper divisors (81617829844).

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

73889341220 is a wasteful number, since it uses less digits than its factorization.

73889341220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084639 (or 8084637 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 73889341220 in words is "seventy-three billion, eight hundred eighty-nine million, three hundred forty-one thousand, two hundred twenty".