71000765 has 8 divisors (see below), whose sum is σ = 92946528. Its totient is φ = 51636880.

The previous prime is 71000759. The next prime is 71000791. The reversal of 71000765 is 56700017.

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

It is not a de Polignac number, because 71000765 - 2²⁰ = 69952189 is a prime.

It is a super-2 number, since 2×71000765² = 10082217261170450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645407 + ... + 645516.

It is an arithmetic number, because the mean of its divisors is an integer number (11618316).

Almost surely, 2^71000765 is an apocalyptic number.

It is an amenable number.

71000765 is a deficient number, since it is larger than the sum of its proper divisors (21945763).

71000765 is a wasteful number, since it uses less digits than its factorization.

71000765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290939.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 71000765 is about 8426.1951674525. The cubic root of 71000765 is about 414.0832621321.

The spelling of 71000765 in words is "seventy-one million, seven hundred sixty-five", and thus it is an aban number.