63447343 has 2 divisors, whose sum is σ = 63447344. Its totient is φ = 63447342.

The previous prime is 63447337. The next prime is 63447379. The reversal of 63447343 is 34374436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63447343 - 2¹⁷ = 63316271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63447299 and 63447308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63447323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31723671 + 31723672.

It is an arithmetic number, because the mean of its divisors is an integer number (31723672).

Almost surely, 2^63447343 is an apocalyptic number.

63447343 is a deficient number, since it is larger than the sum of its proper divisors (1).

63447343 is an equidigital number, since it uses as much as digits as its factorization.

63447343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 34.

The square root of 63447343 is about 7965.3840459830. The cubic root of 63447343 is about 398.8453011338.

The spelling of 63447343 in words is "sixty-three million, four hundred forty-seven thousand, three hundred forty-three".