It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 73698120638.
It is a congruent number.
It is an unprimeable number.
Almost surely, 273698120638 is an apocalyptic number.
73698120638 is a wasteful number, since it uses less digits than its factorization.
73698120638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5007922.
The spelling of 73698120638 in words is "seventy-three billion, six hundred ninety-eight million, one hundred twenty thousand, six hundred thirty-eight".