344420473 has 2 divisors, whose sum is σ = 344420474. Its totient is φ = 344420472.

The previous prime is 344420471. The next prime is 344420507. The reversal of 344420473 is 374024443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248125504 + 96294969 = 15752^2 + 9813^2 .

It is a cyclic number.

It is not a de Polignac number, because 344420473 - 2¹ = 344420471 is a prime.

Together with 344420471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (344420471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172210236 + 172210237.

It is an arithmetic number, because the mean of its divisors is an integer number (172210237).

Almost surely, 2^344420473 is an apocalyptic number.

It is an amenable number.

344420473 is a deficient number, since it is larger than the sum of its proper divisors (1).

344420473 is an equidigital number, since it uses as much as digits as its factorization.

344420473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 344420473 is about 18558.5687217522. The cubic root of 344420473 is about 700.9649772932.

The spelling of 344420473 in words is "three hundred forty-four million, four hundred twenty thousand, four hundred seventy-three".