73718023856 has 40 divisors (see below), whose sum is σ = 149060266080. Its totient is φ = 35251324416.

The previous prime is 73718023837. The next prime is 73718023877. The reversal of 73718023856 is 65832081737.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 4102700 + ... + 4120628.

It is an arithmetic number, because the mean of its divisors is an integer number (3726506652).

Almost surely, 2^73718023856 is an apocalyptic number.

It is an amenable number.

73718023856 is an abundant number, since it is smaller than the sum of its proper divisors (75342242224).

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

73718023856 is a wasteful number, since it uses less digits than its factorization.

73718023856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29133 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 73718023856 in words is "seventy-three billion, seven hundred eighteen million, twenty-three thousand, eight hundred fifty-six".