71039086 has 8 divisors (see below), whose sum is σ = 106745040. Its totient is φ = 35457408.

The previous prime is 71039083. The next prime is 71039093. The reversal of 71039086 is 68093017.

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 (71039083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29626 + ... + 31933.

It is an arithmetic number, because the mean of its divisors is an integer number (13343130).

Almost surely, 2^71039086 is an apocalyptic number.

71039086 is a deficient number, since it is larger than the sum of its proper divisors (35705954).

71039086 is a wasteful number, since it uses less digits than its factorization.

71039086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62138.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 71039086 is about 8428.4687814573. The cubic root of 71039086 is about 414.1577459809.

The spelling of 71039086 in words is "seventy-one million, thirty-nine thousand, eighty-six".