63730417 has 2 divisors, whose sum is σ = 63730418. Its totient is φ = 63730416.

The previous prime is 63730411. The next prime is 63730463. The reversal of 63730417 is 71403736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 23775376 = 6321^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 63730417 - 2²³ = 55341809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63730411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31865208 + 31865209.

It is an arithmetic number, because the mean of its divisors is an integer number (31865209).

Almost surely, 2^63730417 is an apocalyptic number.

It is an amenable number.

63730417 is a deficient number, since it is larger than the sum of its proper divisors (1).

63730417 is an equidigital number, since it uses as much as digits as its factorization.

63730417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 63730417 is about 7983.1332821142. The cubic root of 63730417 is about 399.4375783253.

The spelling of 63730417 in words is "sixty-three million, seven hundred thirty thousand, four hundred seventeen".