683421273 has 24 divisors (see below), whose sum is σ = 1032054240. Its totient is φ = 446968080.

The previous prime is 683421227. The next prime is 683421283. The reversal of 683421273 is 372124386.

It is a happy number.

683421273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 683421273 - 2⁶ = 683421209 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (683421283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71338 + ... + 80348.

It is an arithmetic number, because the mean of its divisors is an integer number (43002260).

Almost surely, 2^683421273 is an apocalyptic number.

It is an amenable number.

683421273 is a deficient number, since it is larger than the sum of its proper divisors (348632967).

683421273 is an equidigital number, since it uses as much as digits as its factorization.

683421273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126 (or 9067 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 683421273 is about 26142.3272299924. The cubic root of 683421273 is about 880.8382478435.

The spelling of 683421273 in words is "six hundred eighty-three million, four hundred twenty-one thousand, two hundred seventy-three".