346920073 has 2 divisors, whose sum is σ = 346920074. Its totient is φ = 346920072.

The previous prime is 346920023. The next prime is 346920121. The reversal of 346920073 is 370029643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326777929 + 20142144 = 18077^2 + 4488^2 .

It is an emirp because it is prime and its reverse (370029643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346920073 - 2¹³ = 346911881 is a prime.

It is not a weakly prime, because it can be changed into another prime (346920023) 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, 173460036 + 173460037.

It is an arithmetic number, because the mean of its divisors is an integer number (173460037).

Almost surely, 2^346920073 is an apocalyptic number.

It is an amenable number.

346920073 is a deficient number, since it is larger than the sum of its proper divisors (1).

346920073 is an equidigital number, since it uses as much as digits as its factorization.

346920073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 346920073 is about 18625.7905335586. The cubic root of 346920073 is about 702.6566212341.

The spelling of 346920073 in words is "three hundred forty-six million, nine hundred twenty thousand, seventy-three".