73582118220 has 48 divisors (see below), whose sum is σ = 221878389600. Its totient is φ = 18112521216.

The previous prime is 73582118177. The next prime is 73582118221. The reversal of 73582118220 is 2281128537.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (73582118221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47167245 + ... + 47168804.

It is an arithmetic number, because the mean of its divisors is an integer number (4622466450).

Almost surely, 2^73582118220 is an apocalyptic number.

It is an amenable number.

73582118220 is an abundant number, since it is smaller than the sum of its proper divisors (148296271380).

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

73582118220 is a wasteful number, since it uses less digits than its factorization.

73582118220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94336074 (or 94336072 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 73582118220 in words is "seventy-three billion, five hundred eighty-two million, one hundred eighteen thousand, two hundred twenty".