347520473 has 2 divisors, whose sum is σ = 347520474. Its totient is φ = 347520472.

The previous prime is 347520463. The next prime is 347520479. The reversal of 347520473 is 374025743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195664144 + 151856329 = 13988^2 + 12323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347520473 is a prime.

It is not a weakly prime, because it can be changed into another prime (347520479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173760236 + 173760237.

It is an arithmetic number, because the mean of its divisors is an integer number (173760237).

Almost surely, 2^347520473 is an apocalyptic number.

It is an amenable number.

347520473 is a deficient number, since it is larger than the sum of its proper divisors (1).

347520473 is an equidigital number, since it uses as much as digits as its factorization.

347520473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 347520473 is about 18641.9010028484. The cubic root of 347520473 is about 703.0617403841.

The spelling of 347520473 in words is "three hundred forty-seven million, five hundred twenty thousand, four hundred seventy-three".