343072073 has 2 divisors, whose sum is σ = 343072074. Its totient is φ = 343072072.

The previous prime is 343072061. The next prime is 343072097. The reversal of 343072073 is 370270343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232654009 + 110418064 = 15253^2 + 10508^2 .

It is a cyclic number.

It is not a de Polignac number, because 343072073 - 2²⁰ = 342023497 is a prime.

It is not a weakly prime, because it can be changed into another prime (343072033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171536036 + 171536037.

It is an arithmetic number, because the mean of its divisors is an integer number (171536037).

Almost surely, 2^343072073 is an apocalyptic number.

It is an amenable number.

343072073 is a deficient number, since it is larger than the sum of its proper divisors (1).

343072073 is an equidigital number, since it uses as much as digits as its factorization.

343072073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 343072073 is about 18522.2048633525. The cubic root of 343072073 is about 700.0490258180.

The spelling of 343072073 in words is "three hundred forty-three million, seventy-two thousand, seventy-three".