347643073 has 2 divisors, whose sum is σ = 347643074. Its totient is φ = 347643072.

The previous prime is 347643061. The next prime is 347643103. The reversal of 347643073 is 370346743.

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., 211033729 + 136609344 = 14527^2 + 11688^2 .

It is a cyclic number.

It is not a de Polignac number, because 347643073 - 2¹⁷ = 347512001 is a prime.

It is not a weakly prime, because it can be changed into another prime (347643173) 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, 173821536 + 173821537.

It is an arithmetic number, because the mean of its divisors is an integer number (173821537).

Almost surely, 2^347643073 is an apocalyptic number.

It is an amenable number.

347643073 is a deficient number, since it is larger than the sum of its proper divisors (1).

347643073 is an equidigital number, since it uses as much as digits as its factorization.

347643073 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 347643073 is about 18645.1890041372. The cubic root of 347643073 is about 703.1444072023.

The spelling of 347643073 in words is "three hundred forty-seven million, six hundred forty-three thousand, seventy-three".