71844368644060 has 48 divisors (see below), whose sum is σ = 150979947021792. Its totient is φ = 28717415648000.

The previous prime is 71844368644057. The next prime is 71844368644063. The reversal of 71844368644060 is 6044686344817.

It is an interprime number because it is at equal distance from previous prime (71844368644057) and next prime (71844368644063).

It is a super-2 number, since 2×71844368644060² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71844368644060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71844368644063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199132230 + ... + 199492690.

It is an arithmetic number, because the mean of its divisors is an integer number (3145415562954).

Almost surely, 2^{71844368644060} is an apocalyptic number.

It is an amenable number.

71844368644060 is an abundant number, since it is smaller than the sum of its proper divisors (79135578377732).

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

71844368644060 is a wasteful number, since it uses less digits than its factorization.

71844368644060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367494 (or 367492 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 61.

The spelling of 71844368644060 in words is "seventy-one trillion, eight hundred forty-four billion, three hundred sixty-eight million, six hundred forty-four thousand, sixty".