347145473 has 2 divisors, whose sum is σ = 347145474. Its totient is φ = 347145472.

The previous prime is 347145427. The next prime is 347145503. The reversal of 347145473 is 374541743.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336465649 + 10679824 = 18343^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 347145473 - 2⁸ = 347145217 is a prime.

It is not a weakly prime, because it can be changed into another prime (347145373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173572736 + 173572737.

It is an arithmetic number, because the mean of its divisors is an integer number (173572737).

Almost surely, 2^347145473 is an apocalyptic number.

It is an amenable number.

347145473 is a deficient number, since it is larger than the sum of its proper divisors (1).

347145473 is an equidigital number, since it uses as much as digits as its factorization.

347145473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The square root of 347145473 is about 18631.8403009472. The cubic root of 347145473 is about 702.8087643612.

The spelling of 347145473 in words is "three hundred forty-seven million, one hundred forty-five thousand, four hundred seventy-three".