64000757 has 2 divisors, whose sum is σ = 64000758. Its totient is φ = 64000756.

The previous prime is 64000753. The next prime is 64000817. The reversal of 64000757 is 75700046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63904036 + 96721 = 7994^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 64000757 - 2² = 64000753 is a prime.

It is a Chen prime.

It is equal to p_3785132 and since 64000757 and 3785132 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64000753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32000378 + 32000379.

It is an arithmetic number, because the mean of its divisors is an integer number (32000379).

Almost surely, 2^64000757 is an apocalyptic number.

It is an amenable number.

64000757 is a deficient number, since it is larger than the sum of its proper divisors (1).

64000757 is an equidigital number, since it uses as much as digits as its factorization.

64000757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 64000757 is about 8000.0473123601. The cubic root of 64000757 is about 400.0015770771.

The spelling of 64000757 in words is "sixty-four million, seven hundred fifty-seven", and thus it is an aban number.