272806 has 4 divisors (see below), whose sum is σ = 409212. Its totient is φ = 136402.

The previous prime is 272777. The next prime is 272807. The reversal of 272806 is 608272.

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

It is a super-2 number, since 2×272806² = 148846227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68200 + ... + 68203.

It is an arithmetic number, because the mean of its divisors is an integer number (102303).

2²⁷²⁸⁰⁶ is an apocalyptic number.

272806 is a deficient number, since it is larger than the sum of its proper divisors (136406).

272806 is a wasteful number, since it uses less digits than its factorization.

272806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136405.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 272806 is about 522.3083380533. The cubic root of 272806 is about 64.8561711290.

The spelling of 272806 in words is "two hundred seventy-two thousand, eight hundred six".