71330105 has 24 divisors (see below), whose sum is σ = 107532096. Its totient is φ = 44462880.

The previous prime is 71330081. The next prime is 71330131. The reversal of 71330105 is 50103317.

It is a happy number.

It is not a de Polignac number, because 71330105 - 2⁶ = 71330041 is a prime.

It is a super-2 number, since 2×71330105² = 10175967758622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4187 + ... + 12656.

It is an arithmetic number, because the mean of its divisors is an integer number (4480504).

Almost surely, 2^71330105 is an apocalyptic number.

It is an amenable number.

71330105 is a deficient number, since it is larger than the sum of its proper divisors (36201991).

71330105 is a wasteful number, since it uses less digits than its factorization.

71330105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16877 (or 16866 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 71330105 is about 8445.7151858206. The cubic root of 71330105 is about 414.7225222121.

The spelling of 71330105 in words is "seventy-one million, three hundred thirty thousand, one hundred five".