64000756 has 6 divisors (see below), whose sum is σ = 112001330. Its totient is φ = 32000376.

The previous prime is 64000753. The next prime is 64000757. The reversal of 64000756 is 65700046.

64000756 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., 63680400 + 320356 = 7980^2 + 566^2 .

64000756 is a modest number, since divided by 756 gives 64 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64000753) 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, 8000091 + ... + 8000098.

Almost surely, 2^64000756 is an apocalyptic number.

It is an amenable number.

64000756 is a deficient number, since it is larger than the sum of its proper divisors (48000574).

64000756 is a wasteful number, since it uses less digits than its factorization.

64000756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000193 (or 16000191 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64000756 is about 8000.0472498605. The cubic root of 64000756 is about 400.0015749938.

The spelling of 64000756 in words is "sixty-four million, seven hundred fifty-six", and thus it is an aban number.