63730313 has 8 divisors (see below), whose sum is σ = 69398400. Its totient is φ = 58293648.

The previous prime is 63730301. The next prime is 63730339. The reversal of 63730313 is 31303736.

63730313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63730313 - 2⁸ = 63730057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63730213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57281 + ... + 58382.

It is an arithmetic number, because the mean of its divisors is an integer number (8674800).

Almost surely, 2^63730313 is an apocalyptic number.

It is an amenable number.

63730313 is a deficient number, since it is larger than the sum of its proper divisors (5668087).

63730313 is a wasteful number, since it uses less digits than its factorization.

63730313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115711.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 63730313 is about 7983.1267683784. The cubic root of 63730313 is about 399.4373610479.

The spelling of 63730313 in words is "sixty-three million, seven hundred thirty thousand, three hundred thirteen".