64063630 has 32 divisors (see below), whose sum is σ = 122148000. Its totient is φ = 24124032.

The previous prime is 64063621. The next prime is 64063651. The reversal of 64063630 is 3636046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31896 + ... + 33844.

It is an arithmetic number, because the mean of its divisors is an integer number (3817125).

Almost surely, 2^64063630 is an apocalyptic number.

64063630 is a deficient number, since it is larger than the sum of its proper divisors (58084370).

64063630 is a wasteful number, since it uses less digits than its factorization.

64063630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 64063630 is about 8003.9758870202. The cubic root of 64063630 is about 400.1325185922.

Adding to 64063630 its reverse (3636046), we get a palindrome (67699676).

The spelling of 64063630 in words is "sixty-four million, sixty-three thousand, six hundred thirty".