73640619876 has 12 divisors (see below), whose sum is σ = 171828113072. Its totient is φ = 24546873288.

The previous prime is 73640619823. The next prime is 73640619883. The reversal of 73640619876 is 67891604637.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3068359150 + ... + 3068359173.

Almost surely, 2^73640619876 is an apocalyptic number.

It is an amenable number.

73640619876 is an abundant number, since it is smaller than the sum of its proper divisors (98187493196).

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

73640619876 is a wasteful number, since it uses less digits than its factorization.

73640619876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136718330 (or 6136718328 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 73640619876 in words is "seventy-three billion, six hundred forty million, six hundred nineteen thousand, eight hundred seventy-six".