273807 has 8 divisors (see below), whose sum is σ = 405680. Its totient is φ = 182520.

The previous prime is 273803. The next prime is 273821. The reversal of 273807 is 708372.

It is not a de Polignac number, because 273807 - 2² = 273803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10141 = 273807 / (2 + 7 + 3 + 8 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (50710).

2²⁷³⁸⁰⁷ is an apocalyptic number.

273807 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

273807 is a deficient number, since it is larger than the sum of its proper divisors (131873).

273807 is a wasteful number, since it uses less digits than its factorization.

273807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150 (or 10144 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 273807 is about 523.2657068832. The cubic root of 273807 is about 64.9353993283.

The spelling of 273807 in words is "two hundred seventy-three thousand, eight hundred seven".