73812076586861 has 16 divisors (see below), whose sum is σ = 75271950604800. Its totient is φ = 72363899386800.

The previous prime is 73812076586851. The next prime is 73812076586863. The reversal of 73812076586861 is 16868567021837.

It is a cyclic number.

It is not a de Polignac number, because 73812076586861 - 2¹⁰ = 73812076585837 is a prime.

It is a super-2 number, since 2×73812076586861² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73812076586791 and 73812076586800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73812076586863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678746030 + ... + 678854768.

It is an arithmetic number, because the mean of its divisors is an integer number (4704496912800).

Almost surely, 2^{73812076586861} is an apocalyptic number.

73812076586861 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

73812076586861 is a deficient number, since it is larger than the sum of its proper divisors (1459874017939).

73812076586861 is a wasteful number, since it uses less digits than its factorization.

73812076586861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162400.

The product of its (nonzero) digits is 162570240, while the sum is 68.

The spelling of 73812076586861 in words is "seventy-three trillion, eight hundred twelve billion, seventy-six million, five hundred eighty-six thousand, eight hundred sixty-one".