7273206 has 24 divisors (see below), whose sum is σ = 16206840. Its totient is φ = 2417796.

The previous prime is 7273199. The next prime is 7273237. The reversal of 7273206 is 6023727.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 7273206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19635 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (675285).

Almost surely, 2^7273206 is an apocalyptic number.

7273206 is an abundant number, since it is smaller than the sum of its proper divisors (8933634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7273206 is an equidigital number, since it uses as much as digits as its factorization.

7273206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 7273206 is about 2696.8882068043. Note that the first 3 decimals coincide. The cubic root of 7273206 is about 193.7501122441.

The spelling of 7273206 in words is "seven million, two hundred seventy-three thousand, two hundred six".