73389514872 has 64 divisors (see below), whose sum is σ = 188034295680. Its totient is φ = 23856884352.

The previous prime is 73389514853. The next prime is 73389514903. The reversal of 73389514872 is 27841598337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608278 + ... + 718874.

It is an arithmetic number, because the mean of its divisors is an integer number (2938035870).

Almost surely, 2^73389514872 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 73389514872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94017147840).

73389514872 is an abundant number, since it is smaller than the sum of its proper divisors (114644780808).

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

73389514872 is a wasteful number, since it uses less digits than its factorization.

73389514872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111292 (or 111288 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The spelling of 73389514872 in words is "seventy-three billion, three hundred eighty-nine million, five hundred fourteen thousand, eight hundred seventy-two".