73806563976 has 16 divisors (see below), whose sum is σ = 184516410000. Its totient is φ = 24602187984.

The previous prime is 73806563947. The next prime is 73806564001. The reversal of 73806563976 is 67936560837.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537636726 + ... + 1537636773.

It is an arithmetic number, because the mean of its divisors is an integer number (11532275625).

Almost surely, 2^73806563976 is an apocalyptic number.

It is an amenable number.

73806563976 is an abundant number, since it is smaller than the sum of its proper divisors (110709846024).

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

73806563976 is a wasteful number, since it uses less digits than its factorization.

73806563976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075273508 (or 3075273504 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 73806563976 in words is "seventy-three billion, eight hundred six million, five hundred sixty-three thousand, nine hundred seventy-six".