71507942882 has 4 divisors (see below), whose sum is σ = 107261914326. Its totient is φ = 35753971440.

The previous prime is 71507942873. The next prime is 71507942903. The reversal of 71507942882 is 28824970517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67771188241 + 3736754641 = 260329^2 + 61129^2 .

It is a super-2 number, since 2×71507942882² (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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17876985719 + ... + 17876985722.

Almost surely, 2^71507942882 is an apocalyptic number.

71507942882 is a deficient number, since it is larger than the sum of its proper divisors (35753971444).

71507942882 is a wasteful number, since it uses less digits than its factorization.

71507942882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35753971443.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 71507942882 in words is "seventy-one billion, five hundred seven million, nine hundred forty-two thousand, eight hundred eighty-two".