64057684 has 6 divisors (see below), whose sum is σ = 112100954. Its totient is φ = 32028840.

The previous prime is 64057681. The next prime is 64057709. The reversal of 64057684 is 48675046.

64057684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 1299600 = 7922^2 + 1140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64057681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8007207 + ... + 8007214.

Almost surely, 2^64057684 is an apocalyptic number.

It is an amenable number.

64057684 is a deficient number, since it is larger than the sum of its proper divisors (48043270).

64057684 is a wasteful number, since it uses less digits than its factorization.

64057684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014425 (or 16014423 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 64057684 is about 8003.6044380017. The cubic root of 64057684 is about 400.1201389130.

The spelling of 64057684 in words is "sixty-four million, fifty-seven thousand, six hundred eighty-four".