73183680756 has 36 divisors (see below), whose sum is σ = 185008414500. Its totient is φ = 24392406528.

The previous prime is 73183680737. The next prime is 73183680763. The reversal of 73183680756 is 65708638137.

It can be written as a sum of positive squares in 2 ways, for example, as 48686422500 + 24497258256 = 220650^2 + 156516^2 .

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

It is a super-2 number, since 2×73183680756² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353700 + ... + 521028.

It is an arithmetic number, because the mean of its divisors is an integer number (5139122625).

Almost surely, 2^73183680756 is an apocalyptic number.

It is an amenable number.

73183680756 is an abundant number, since it is smaller than the sum of its proper divisors (111824733744).

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

73183680756 is a wasteful number, since it uses less digits than its factorization.

73183680756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179488 (or 179483 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 73183680756 in words is "seventy-three billion, one hundred eighty-three million, six hundred eighty thousand, seven hundred fifty-six".