73345120620 has 96 divisors (see below), whose sum is σ = 217579981248. Its totient is φ = 18396905472.

The previous prime is 73345120559. The next prime is 73345120657. The reversal of 73345120620 is 2602154337.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1709754 + ... + 1752126.

It is an arithmetic number, because the mean of its divisors is an integer number (2266458138).

Almost surely, 2^73345120620 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 73345120620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108789990624).

73345120620 is an abundant number, since it is smaller than the sum of its proper divisors (144234860628).

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

73345120620 is a wasteful number, since it uses less digits than its factorization.

73345120620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44099 (or 44097 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 73345120620 its reverse (2602154337), we get a palindrome (75947274957).

The spelling of 73345120620 in words is "seventy-three billion, three hundred forty-five million, one hundred twenty thousand, six hundred twenty".