1443073 has 2 divisors, whose sum is σ = 1443074. Its totient is φ = 1443072.

The previous prime is 1443067. The next prime is 1443083. The reversal of 1443073 is 3703441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 204304 = 1113^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443073 - 2¹⁷ = 1312001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1443053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721536 + 721537.

It is an arithmetic number, because the mean of its divisors is an integer number (721537).

2^1443073 is an apocalyptic number.

It is an amenable number.

1443073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443073 is an equidigital number, since it uses as much as digits as its factorization.

1443073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1443073 is about 1201.2797342834. The cubic root of 1443073 is about 113.0045942737.

The spelling of 1443073 in words is "one million, four hundred forty-three thousand, seventy-three".