64683716 has 6 divisors (see below), whose sum is σ = 113196510. Its totient is φ = 32341856.

The previous prime is 64683709. The next prime is 64683727. The reversal of 64683716 is 61738646.

It can be written as a sum of positive squares in only one way, i.e., 34762816 + 29920900 = 5896^2 + 5470^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8085461 + ... + 8085468.

It is an arithmetic number, because the mean of its divisors is an integer number (18866085).

Almost surely, 2^64683716 is an apocalyptic number.

It is an amenable number.

64683716 is a deficient number, since it is larger than the sum of its proper divisors (48512794).

64683716 is a wasteful number, since it uses less digits than its factorization.

64683716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170933 (or 16170931 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 64683716 is about 8042.6187277528. The cubic root of 64683716 is about 401.4193658774.

The spelling of 64683716 in words is "sixty-four million, six hundred eighty-three thousand, seven hundred sixteen".