342073 has 2 divisors, whose sum is σ = 342074. Its totient is φ = 342072.

The previous prime is 342071. The next prime is 342077. The reversal of 342073 is 370243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 59049 = 532^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 342073 - 2¹ = 342071 is a prime.

Together with 342071, it forms a pair of twin primes.

342073 is a lucky number.

It is equal to p₂₉₃₅₀ and since 342073 and 29350 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342073.

It is not a weakly prime, because it can be changed into another prime (342071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171036 + 171037.

It is an arithmetic number, because the mean of its divisors is an integer number (171037).

2³⁴²⁰⁷³ is an apocalyptic number.

It is an amenable number.

342073 is a deficient number, since it is larger than the sum of its proper divisors (1).

342073 is an equidigital number, since it uses as much as digits as its factorization.

342073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 342073 is about 584.8700710414. The cubic root of 342073 is about 69.9368818798.

The spelling of 342073 in words is "three hundred forty-two thousand, seventy-three", and thus it is an iban number.