344673073 has 2 divisors, whose sum is σ = 344673074. Its totient is φ = 344673072.

The previous prime is 344673071. The next prime is 344673089. The reversal of 344673073 is 370376443.

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., 182034064 + 162639009 = 13492^2 + 12753^2 .

It is a cyclic number.

It is not a de Polignac number, because 344673073 - 2¹ = 344673071 is a prime.

Together with 344673071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (344673071) 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, 172336536 + 172336537.

It is an arithmetic number, because the mean of its divisors is an integer number (172336537).

Almost surely, 2^344673073 is an apocalyptic number.

It is an amenable number.

344673073 is a deficient number, since it is larger than the sum of its proper divisors (1).

344673073 is an equidigital number, since it uses as much as digits as its factorization.

344673073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 37.

The square root of 344673073 is about 18565.3729561245. The cubic root of 344673073 is about 701.1362993624.

The spelling of 344673073 in words is "three hundred forty-four million, six hundred seventy-three thousand, seventy-three".