64334636 has 6 divisors (see below), whose sum is σ = 112585620. Its totient is φ = 32167316.

The previous prime is 64334623. The next prime is 64334639. The reversal of 64334636 is 63643346.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64334596 and 64334605.

It is not an unprimeable number, because it can be changed into a prime (64334639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8041826 + ... + 8041833.

It is an arithmetic number, because the mean of its divisors is an integer number (18764270).

Almost surely, 2^64334636 is an apocalyptic number.

It is an amenable number.

64334636 is a deficient number, since it is larger than the sum of its proper divisors (48250984).

64334636 is a wasteful number, since it uses less digits than its factorization.

64334636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083663 (or 16083661 counting only the distinct ones).

The product of its digits is 93312, while the sum is 35.

The square root of 64334636 is about 8020.8874820683. The cubic root of 64334636 is about 400.6959467763.

The spelling of 64334636 in words is "sixty-four million, three hundred thirty-four thousand, six hundred thirty-six".