73671870841 has 2 divisors, whose sum is σ = 73671870842. Its totient is φ = 73671870840.

The previous prime is 73671870821. The next prime is 73671870887. The reversal of 73671870841 is 14807817637.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48296655225 + 25375215616 = 219765^2 + 159296^2 .

It is a cyclic number.

It is not a de Polignac number, because 73671870841 - 2⁹ = 73671870329 is a prime.

It is not a weakly prime, because it can be changed into another prime (73671870821) by changing a digit.

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 as a sum of consecutive naturals, namely, 36835935420 + 36835935421.

It is an arithmetic number, because the mean of its divisors is an integer number (36835935421).

Almost surely, 2^73671870841 is an apocalyptic number.

It is an amenable number.

73671870841 is a deficient number, since it is larger than the sum of its proper divisors (1).

73671870841 is an equidigital number, since it uses as much as digits as its factorization.

73671870841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 73671870841 in words is "seventy-three billion, six hundred seventy-one million, eight hundred seventy thousand, eight hundred forty-one".