343432073 has 2 divisors, whose sum is σ = 343432074. Its totient is φ = 343432072.

The previous prime is 343432069. The next prime is 343432081. The reversal of 343432073 is 370234343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222695929 + 120736144 = 14923^2 + 10988^2 .

It is a cyclic number.

It is not a de Polignac number, because 343432073 - 2² = 343432069 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 (343432273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171716036 + 171716037.

It is an arithmetic number, because the mean of its divisors is an integer number (171716037).

Almost surely, 2^343432073 is an apocalyptic number.

It is an amenable number.

343432073 is a deficient number, since it is larger than the sum of its proper divisors (1).

343432073 is an equidigital number, since it uses as much as digits as its factorization.

343432073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 29.

The square root of 343432073 is about 18531.9203807916. The cubic root of 343432073 is about 700.2938038783.

The spelling of 343432073 in words is "three hundred forty-three million, four hundred thirty-two thousand, seventy-three".