73538419418 has 16 divisors (see below), whose sum is σ = 114094176000. Its totient is φ = 35511782400.

The previous prime is 73538419397. The next prime is 73538419429. The reversal of 73538419418 is 81491483537.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73538419418.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157543 + ... + 1219418.

It is an arithmetic number, because the mean of its divisors is an integer number (7130886000).

Almost surely, 2^73538419418 is an apocalyptic number.

73538419418 is a deficient number, since it is larger than the sum of its proper divisors (40555756582).

73538419418 is a wasteful number, since it uses less digits than its factorization.

73538419418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377493.

The product of its digits is 2903040, while the sum is 53.

The spelling of 73538419418 in words is "seventy-three billion, five hundred thirty-eight million, four hundred nineteen thousand, four hundred eighteen".