73406559122 has 18 divisors (see below), whose sum is σ = 119239454943. Its totient is φ = 33877651392.

The previous prime is 73406559097. The next prime is 73406559157. The reversal of 73406559122 is 22195560437.

It can be written as a sum of positive squares in 5 ways, for example, as 36466103521 + 36940455601 = 190961^2 + 192199^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=191581.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 4973738 + ... + 4988474.

Almost surely, 2^73406559122 is an apocalyptic number.

73406559122 is a deficient number, since it is larger than the sum of its proper divisors (45832895821).

73406559122 is an frugal number, since it uses more digits than its factorization.

73406559122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29502 (or 14752 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 73406559122 in words is "seventy-three billion, four hundred six million, five hundred fifty-nine thousand, one hundred twenty-two".