73412076586861 has 2 divisors, whose sum is σ = 73412076586862. Its totient is φ = 73412076586860.

The previous prime is 73412076586859. The next prime is 73412076586897. The reversal of 73412076586861 is 16868567021437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73046935562500 + 365141024361 = 8546750^2 + 604269^2 .

It is an emirp because it is prime and its reverse (16868567021437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73412076586861 - 2¹ = 73412076586859 is a prime.

It is a super-2 number, since 2×73412076586861² (a number of 29 digits) contains 22 as substring.

Together with 73412076586859, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 73412076586793 and 73412076586802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73412076586801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36706038293430 + 36706038293431.

It is an arithmetic number, because the mean of its divisors is an integer number (36706038293431).

Almost surely, 2^{73412076586861} is an apocalyptic number.

It is an amenable number.

73412076586861 is a deficient number, since it is larger than the sum of its proper divisors (1).

73412076586861 is an equidigital number, since it uses as much as digits as its factorization.

73412076586861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 73412076586861 in words is "seventy-three trillion, four hundred twelve billion, seventy-six million, five hundred eighty-six thousand, eight hundred sixty-one".