71001165 has 8 divisors (see below), whose sum is σ = 113601888. Its totient is φ = 37867280.

The previous prime is 71001149. The next prime is 71001179. The reversal of 71001165 is 56110017.

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

It is not a de Polignac number, because 71001165 - 2⁴ = 71001149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2366691 + ... + 2366720.

It is an arithmetic number, because the mean of its divisors is an integer number (14200236).

Almost surely, 2^71001165 is an apocalyptic number.

It is an amenable number.

71001165 is a deficient number, since it is larger than the sum of its proper divisors (42600723).

71001165 is a wasteful number, since it uses less digits than its factorization.

71001165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733419.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 71001165 is about 8426.2189029244. The cubic root of 71001165 is about 414.0840397434.

The spelling of 71001165 in words is "seventy-one million, one thousand, one hundred sixty-five".