64733764 has 6 divisors (see below), whose sum is σ = 113284094. Its totient is φ = 32366880.

The previous prime is 64733761. The next prime is 64733783. The reversal of 64733764 is 46733746.

64733764 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., 43665664 + 21068100 = 6608^2 + 4590^2 .

It is not an unprimeable number, because it can be changed into a prime (64733761) 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, 8091717 + ... + 8091724.

Almost surely, 2^64733764 is an apocalyptic number.

It is an amenable number.

64733764 is a deficient number, since it is larger than the sum of its proper divisors (48550330).

64733764 is a wasteful number, since it uses less digits than its factorization.

64733764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16183445 (or 16183443 counting only the distinct ones).

The product of its digits is 254016, while the sum is 40.

The square root of 64733764 is about 8045.7295505131. The cubic root of 64733764 is about 401.5228698111.

The spelling of 64733764 in words is "sixty-four million, seven hundred thirty-three thousand, seven hundred sixty-four".