77206 has 4 divisors (see below), whose sum is σ = 115812. Its totient is φ = 38602.

The previous prime is 77201. The next prime is 77213. The reversal of 77206 is 60277.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19300 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (28953).

2⁷⁷²⁰⁶ is an apocalyptic number.

77206 is a deficient number, since it is larger than the sum of its proper divisors (38606).

77206 is a wasteful number, since it uses less digits than its factorization.

77206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38605.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 77206 is about 277.8596768155. The cubic root of 77206 is about 42.5811138336.

The spelling of 77206 in words is "seventy-seven thousand, two hundred six".