71536105 has 4 divisors (see below), whose sum is σ = 85843332. Its totient is φ = 57228880.

The previous prime is 71536093. The next prime is 71536109. The reversal of 71536105 is 50163517.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12138256 + 59397849 = 3484^2 + 7707^2 .

It is not a de Polignac number, because 71536105 - 2¹⁹ = 71011817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71536109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7153606 + ... + 7153615.

It is an arithmetic number, because the mean of its divisors is an integer number (21460833).

Almost surely, 2^71536105 is an apocalyptic number.

It is an amenable number.

71536105 is a deficient number, since it is larger than the sum of its proper divisors (14307227).

71536105 is a wasteful number, since it uses less digits than its factorization.

71536105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14307226.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 71536105 is about 8457.9019266009. The cubic root of 71536105 is about 415.1213754427.

The spelling of 71536105 in words is "seventy-one million, five hundred thirty-six thousand, one hundred five".