71814242228 has 6 divisors (see below), whose sum is σ = 125674923906. Its totient is φ = 35907121112.

The previous prime is 71814242197. The next prime is 71814242237. The reversal of 71814242228 is 82224241817.

It can be written as a sum of positive squares in only one way, i.e., 63368999824 + 8445242404 = 251732^2 + 91898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8976780275 + ... + 8976780282.

It is an arithmetic number, because the mean of its divisors is an integer number (20945820651).

Almost surely, 2^71814242228 is an apocalyptic number.

It is an amenable number.

71814242228 is a deficient number, since it is larger than the sum of its proper divisors (53860681678).

71814242228 is a wasteful number, since it uses less digits than its factorization.

71814242228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17953560561 (or 17953560559 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The spelling of 71814242228 in words is "seventy-one billion, eight hundred fourteen million, two hundred forty-two thousand, two hundred twenty-eight".