64333630 has 16 divisors (see below), whose sum is σ = 116301744. Its totient is φ = 25622080.

The previous prime is 64333609. The next prime is 64333631. The reversal of 64333630 is 3633346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64333631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11476 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (7268859).

Almost surely, 2^64333630 is an apocalyptic number.

64333630 is a deficient number, since it is larger than the sum of its proper divisors (51968114).

64333630 is a wasteful number, since it uses less digits than its factorization.

64333630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27851.

The product of its (nonzero) digits is 11664, while the sum is 28.

The square root of 64333630 is about 8020.8247705582. The cubic root of 64333630 is about 400.6938582060.

Adding to 64333630 its reverse (3633346), we get a palindrome (67966976).

The spelling of 64333630 in words is "sixty-four million, three hundred thirty-three thousand, six hundred thirty".