71065707 has 8 divisors (see below), whose sum is σ = 94803600. Its totient is φ = 47352480.

The previous prime is 71065697. The next prime is 71065723. The reversal of 71065707 is 70756017.

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

It is not a de Polignac number, because 71065707 - 2¹⁸ = 70803563 is a prime.

It is a super-2 number, since 2×71065707² = 10100669422819698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71065727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 12117.

It is an arithmetic number, because the mean of its divisors is an integer number (11850450).

Almost surely, 2^71065707 is an apocalyptic number.

71065707 is a deficient number, since it is larger than the sum of its proper divisors (23737893).

71065707 is a wasteful number, since it uses less digits than its factorization.

71065707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 71065707 is about 8430.0478646328. The cubic root of 71065707 is about 414.2094729810.

The spelling of 71065707 in words is "seventy-one million, sixty-five thousand, seven hundred seven".