73536725855 has 4 divisors (see below), whose sum is σ = 88244071032. Its totient is φ = 58829380680.

The previous prime is 73536725813. The next prime is 73536725861. The reversal of 73536725855 is 55852763537.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73536725855 - 2¹⁰ = 73536724831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73536725855.

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, 7353672581 + ... + 7353672590.

It is an arithmetic number, because the mean of its divisors is an integer number (22061017758).

Almost surely, 2^73536725855 is an apocalyptic number.

73536725855 is a deficient number, since it is larger than the sum of its proper divisors (14707345177).

73536725855 is a wasteful number, since it uses less digits than its factorization.

73536725855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14707345176.

The product of its digits is 26460000, while the sum is 56.

The spelling of 73536725855 in words is "seventy-three billion, five hundred thirty-six million, seven hundred twenty-five thousand, eight hundred fifty-five".