71707085 has 8 divisors (see below), whose sum is σ = 87333216. Its totient is φ = 56509200.

The previous prime is 71707079. The next prime is 71707109. The reversal of 71707085 is 58070717.

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

It is not a de Polignac number, because 71707085 - 2¹² = 71702989 is a prime.

It is a Duffinian number.

It is a Curzon 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, 106691 + ... + 107360.

It is an arithmetic number, because the mean of its divisors is an integer number (10916652).

Almost surely, 2^71707085 is an apocalyptic number.

It is an amenable number.

71707085 is a deficient number, since it is larger than the sum of its proper divisors (15626131).

71707085 is a wasteful number, since it uses less digits than its factorization.

71707085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214123.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 71707085 is about 8468.0036017942. The cubic root of 71707085 is about 415.4518425054.

The spelling of 71707085 in words is "seventy-one million, seven hundred seven thousand, eighty-five".