64793630 has 32 divisors (see below), whose sum is σ = 134719200. Its totient is φ = 22174720.

The previous prime is 64793611. The next prime is 64793711. The reversal of 64793630 is 3639746.

It is a happy number.

It is a Curzon number.

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, 15455 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (4209975).

Almost surely, 2^64793630 is an apocalyptic number.

64793630 is an abundant number, since it is smaller than the sum of its proper divisors (69925570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64793630 is a wasteful number, since it uses less digits than its factorization.

64793630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34684.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 64793630 is about 8049.4490494692. The cubic root of 64793630 is about 401.6466082356.

The spelling of 64793630 in words is "sixty-four million, seven hundred ninety-three thousand, six hundred thirty".