743273 has 2 divisors, whose sum is σ = 743274. Its totient is φ = 743272.

The previous prime is 743269. The next prime is 743279. The reversal of 743273 is 372347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619369 + 123904 = 787^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 743273 - 2² = 743269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (743279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371636 + 371637.

It is an arithmetic number, because the mean of its divisors is an integer number (371637).

2⁷⁴³²⁷³ is an apocalyptic number.

It is an amenable number.

743273 is a deficient number, since it is larger than the sum of its proper divisors (1).

743273 is an equidigital number, since it uses as much as digits as its factorization.

743273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 26.

The square root of 743273 is about 862.1328203937. The cubic root of 743273 is about 90.5835740907.

The spelling of 743273 in words is "seven hundred forty-three thousand, two hundred seventy-three", and thus it is an iban number.