71000086 has 8 divisors (see below), whose sum is σ = 106885440. Its totient is φ = 35371608.

The previous prime is 71000081. The next prime is 71000087. The reversal of 71000086 is 68000017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63526 + ... + 64633.

It is an arithmetic number, because the mean of its divisors is an integer number (13360680).

Almost surely, 2^71000086 is an apocalyptic number.

71000086 is a deficient number, since it is larger than the sum of its proper divisors (35885354).

71000086 is a wasteful number, since it uses less digits than its factorization.

71000086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128438.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 71000086 is about 8426.1548763359. The cubic root of 71000086 is about 414.0819421302.

The spelling of 71000086 in words is "seventy-one million, eighty-six", and thus it is an aban number and an uban number.