71374687747671 has 64 divisors (see below), whose sum is σ = 123903986688000. Its totient is φ = 35438037191040.

The previous prime is 71374687747661. The next prime is 71374687747679. The reversal of 71374687747671 is 17674778647317.

It is not a de Polignac number, because 71374687747671 - 2⁵ = 71374687747639 is a prime.

It is a super-3 number, since 3×71374687747671³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71374687747593 and 71374687747602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71374687747679) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1581205 + ... + 12051953.

It is an arithmetic number, because the mean of its divisors is an integer number (1935999792000).

Almost surely, 2^{71374687747671} is an apocalyptic number.

71374687747671 is a deficient number, since it is larger than the sum of its proper divisors (52529298940329).

71374687747671 is a wasteful number, since it uses less digits than its factorization.

71374687747671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472076.

The product of its digits is 1626379776, while the sum is 75.

The spelling of 71374687747671 in words is "seventy-one trillion, three hundred seventy-four billion, six hundred eighty-seven million, seven hundred forty-seven thousand, six hundred seventy-one".