73124890218 has 24 divisors (see below), whose sum is σ = 158878605600. Its totient is φ = 24307064424.

The previous prime is 73124890217. The next prime is 73124890253. The reversal of 73124890218 is 81209842137.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73124890217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5651608 + ... + 5664531.

It is an arithmetic number, because the mean of its divisors is an integer number (6619941900).

Almost surely, 2^73124890218 is an apocalyptic number.

73124890218 is an abundant number, since it is smaller than the sum of its proper divisors (85753715382).

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

73124890218 is a wasteful number, since it uses less digits than its factorization.

73124890218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316506 (or 11316503 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 73124890218 in words is "seventy-three billion, one hundred twenty-four million, eight hundred ninety thousand, two hundred eighteen".