7273843 has 2 divisors, whose sum is σ = 7273844. Its totient is φ = 7273842.

The previous prime is 7273829. The next prime is 7273901. The reversal of 7273843 is 3483727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7273843 - 2⁵ = 7273811 is a prime.

7273843 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7273799 and 7273808.

It is not a weakly prime, because it can be changed into another prime (7270843) by changing a digit.

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 as a sum of consecutive naturals, namely, 3636921 + 3636922.

It is an arithmetic number, because the mean of its divisors is an integer number (3636922).

Almost surely, 2^7273843 is an apocalyptic number.

7273843 is a deficient number, since it is larger than the sum of its proper divisors (1).

7273843 is an equidigital number, since it uses as much as digits as its factorization.

7273843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 7273843 is about 2697.0063032926. The cubic root of 7273843 is about 193.7557684027.

Subtracting from 7273843 its sum of digits (34), we obtain a square (7273809 = 2697²).

The spelling of 7273843 in words is "seven million, two hundred seventy-three thousand, eight hundred forty-three".