73536885684 has 36 divisors (see below), whose sum is σ = 185893327620. Its totient is φ = 24511184640.

The previous prime is 73536885679. The next prime is 73536885707. The reversal of 73536885684 is 48658863537.

It is a happy number.

73536885684 is a `hidden beast` number, since 7 + 3 + 5 + 3 + 68 + 8 + 568 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55290819600 + 18246066084 = 235140^2 + 135078^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×73536885684² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1280172 + ... + 1336380.

It is an arithmetic number, because the mean of its divisors is an integer number (5163703545).

Almost surely, 2^73536885684 is an apocalyptic number.

It is an amenable number.

73536885684 is an abundant number, since it is smaller than the sum of its proper divisors (112356441936).

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

73536885684 is a wasteful number, since it uses less digits than its factorization.

73536885684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92560 (or 92555 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 73536885684 in words is "seventy-three billion, five hundred thirty-six million, eight hundred eighty-five thousand, six hundred eighty-four".