73688682836 has 6 divisors (see below), whose sum is σ = 128955194970. Its totient is φ = 36844341416.

The previous prime is 73688682833. The next prime is 73688682841. The reversal of 73688682836 is 63828688637.

It can be written as a sum of positive squares in only one way, i.e., 38267184400 + 35421498436 = 195620^2 + 188206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73688682833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9211085351 + ... + 9211085358.

It is an arithmetic number, because the mean of its divisors is an integer number (21492532495).

Almost surely, 2^73688682836 is an apocalyptic number.

It is an amenable number.

73688682836 is a deficient number, since it is larger than the sum of its proper divisors (55266512134).

73688682836 is a wasteful number, since it uses less digits than its factorization.

73688682836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18422170713 (or 18422170711 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 65.

The spelling of 73688682836 in words is "seventy-three billion, six hundred eighty-eight million, six hundred eighty-two thousand, eight hundred thirty-six".