73813798012 has 12 divisors (see below), whose sum is σ = 129186142120. Its totient is φ = 36903471696.

The previous prime is 73813798007. The next prime is 73813798109. The reversal of 73813798012 is 21089731837.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 808062 + ... + 894757.

Almost surely, 2^73813798012 is an apocalyptic number.

It is an amenable number.

73813798012 is a deficient number, since it is larger than the sum of its proper divisors (55372344108).

73813798012 is a wasteful number, since it uses less digits than its factorization.

73813798012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713660 (or 1713658 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 73813798012 in words is "seventy-three billion, eight hundred thirteen million, seven hundred ninety-eight thousand, twelve".