71206 has 4 divisors (see below), whose sum is σ = 106812. Its totient is φ = 35602.

The previous prime is 71191. The next prime is 71209. The reversal of 71206 is 60217.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17800 + ... + 17803.

It is an arithmetic number, because the mean of its divisors is an integer number (26703).

2⁷¹²⁰⁶ is an apocalyptic number.

71206 is a deficient number, since it is larger than the sum of its proper divisors (35606).

71206 is a wasteful number, since it uses less digits than its factorization.

71206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35605.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 71206 is about 266.8445240210. The cubic root of 71206 is about 41.4481861707.

The spelling of 71206 in words is "seventy-one thousand, two hundred six".