340444073 has 2 divisors, whose sum is σ = 340444074. Its totient is φ = 340444072.

The previous prime is 340444051. The next prime is 340444081. The reversal of 340444073 is 370444043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329894569 + 10549504 = 18163^2 + 3248^2 .

It is a cyclic number.

It is not a de Polignac number, because 340444073 - 2¹⁶ = 340378537 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 (340444043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170222036 + 170222037.

It is an arithmetic number, because the mean of its divisors is an integer number (170222037).

Almost surely, 2^340444073 is an apocalyptic number.

It is an amenable number.

340444073 is a deficient number, since it is larger than the sum of its proper divisors (1).

340444073 is an equidigital number, since it uses as much as digits as its factorization.

340444073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 340444073 is about 18451.1266051697. The cubic root of 340444073 is about 698.2569373704.

The spelling of 340444073 in words is "three hundred forty million, four hundred forty-four thousand, seventy-three".