73731067020 has 96 divisors (see below), whose sum is σ = 247030607040. Its totient is φ = 18149184000.

The previous prime is 73731066989. The next prime is 73731067049. The reversal of 73731067020 is 2076013737.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5244481 + ... + 5258520.

It is an arithmetic number, because the mean of its divisors is an integer number (2573235490).

Almost surely, 2^73731067020 is an apocalyptic number.

It is an amenable number.

73731067020 is an abundant number, since it is smaller than the sum of its proper divisors (173299540020).

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

73731067020 is a wasteful number, since it uses less digits than its factorization.

73731067020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503032 (or 10503024 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The spelling of 73731067020 in words is "seventy-three billion, seven hundred thirty-one million, sixty-seven thousand, twenty".