71005150 has 24 divisors (see below), whose sum is σ = 132295104. Its totient is φ = 28353600.

The previous prime is 71005133. The next prime is 71005189. The reversal of 71005150 is 5150017.

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 11 ways as a sum of consecutive naturals, for example, 48834 + ... + 50266.

It is an arithmetic number, because the mean of its divisors is an integer number (5512296).

Almost surely, 2^71005150 is an apocalyptic number.

71005150 is a deficient number, since it is larger than the sum of its proper divisors (61289954).

71005150 is a wasteful number, since it uses less digits than its factorization.

71005150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 71005150 is about 8426.4553639119. The cubic root of 71005150 is about 414.0917865366.

Adding to 71005150 its reverse (5150017), we get a palindrome (76155167).

The spelling of 71005150 in words is "seventy-one million, five thousand, one hundred fifty".