73018597997472 has 192 divisors, whose sum is σ = 207944029440000. Its totient is φ = 22365527804928.

The previous prime is 73018597997441. The next prime is 73018597997563. The reversal of 73018597997472 is 27479979581037.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9877179 + ... + 15607557.

It is an arithmetic number, because the mean of its divisors is an integer number (1083041820000).

Almost surely, 2^{73018597997472} 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 73018597997472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103972014720000).

73018597997472 is an abundant number, since it is smaller than the sum of its proper divisors (134925431442528).

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

73018597997472 is a wasteful number, since it uses less digits than its factorization.

73018597997472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730643 (or 5730635 counting only the distinct ones).

The product of its (nonzero) digits is 1680315840, while the sum is 78.

The spelling of 73018597997472 in words is "seventy-three trillion, eighteen billion, five hundred ninety-seven million, nine hundred ninety-seven thousand, four hundred seventy-two".