73572146220 has 48 divisors (see below), whose sum is σ = 207825055200. Its totient is φ = 19445615616.

The previous prime is 73572146183. The next prime is 73572146251. The reversal of 73572146220 is 2264127537.

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 15 ways as a sum of consecutive naturals, for example, 5418895 + ... + 5432454.

It is an arithmetic number, because the mean of its divisors is an integer number (4329688650).

Almost surely, 2^73572146220 is an apocalyptic number.

It is an amenable number.

73572146220 is an abundant number, since it is smaller than the sum of its proper divisors (134252908980).

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

73572146220 is a wasteful number, since it uses less digits than its factorization.

73572146220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851474 (or 10851472 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 73572146220 in words is "seventy-three billion, five hundred seventy-two million, one hundred forty-six thousand, two hundred twenty".