71371359530 has 16 divisors (see below), whose sum is σ = 128471862024. Its totient is φ = 28547784960.

The previous prime is 71371359511. The next prime is 71371359557. The reversal of 71371359530 is 3595317317.

It can be written as a sum of positive squares in 4 ways, for example, as 15556824529 + 55814535001 = 124727^2 + 236251^2 .

It is a super-2 number, since 2×71371359530² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448214 + ... + 586206.

Almost surely, 2^71371359530 is an apocalyptic number.

71371359530 is a deficient number, since it is larger than the sum of its proper divisors (57100502494).

71371359530 is a wasteful number, since it uses less digits than its factorization.

71371359530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189721.

The product of its (nonzero) digits is 297675, while the sum is 44.

The spelling of 71371359530 in words is "seventy-one billion, three hundred seventy-one million, three hundred fifty-nine thousand, five hundred thirty".