64303630 has 32 divisors (see below), whose sum is σ = 122342400. Its totient is φ = 24284832.

The previous prime is 64303549. The next prime is 64303633. The reversal of 64303630 is 3630346.

64303630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64303595 and 64303604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64303633) 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 15 ways as a sum of consecutive naturals, for example, 16401 + ... + 19939.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^64303630 is an apocalyptic number.

64303630 is a deficient number, since it is larger than the sum of its proper divisors (58038770).

64303630 is a wasteful number, since it uses less digits than its factorization.

64303630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 64303630 is about 8018.9544206212. The cubic root of 64303630 is about 400.6315647900.

Adding to 64303630 its reverse (3630346), we get a palindrome (67933976).

The spelling of 64303630 in words is "sixty-four million, three hundred three thousand, six hundred thirty".