71005118 has 8 divisors (see below), whose sum is σ = 106610520. Its totient is φ = 35468280.

The previous prime is 71005063. The next prime is 71005133. The reversal of 71005118 is 81150017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 71005093 and 71005102.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 14468 + ... + 18743.

It is an arithmetic number, because the mean of its divisors is an integer number (13326315).

Almost surely, 2^71005118 is an apocalyptic number.

71005118 is a deficient number, since it is larger than the sum of its proper divisors (35605402).

71005118 is a wasteful number, since it uses less digits than its factorization.

71005118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34282.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 71005118 is about 8426.4534651299. The cubic root of 71005118 is about 414.0917243301.

The spelling of 71005118 in words is "seventy-one million, five thousand, one hundred eighteen".