64765037 has 2 divisors, whose sum is σ = 64765038. Its totient is φ = 64765036.

The previous prime is 64765031. The next prime is 64765097. The reversal of 64765037 is 73056746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54848836 + 9916201 = 7406^2 + 3149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64765037 is a prime.

It is a super-2 number, since 2×64765037² = 8389020035222738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64765031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32382518 + 32382519.

It is an arithmetic number, because the mean of its divisors is an integer number (32382519).

Almost surely, 2^64765037 is an apocalyptic number.

It is an amenable number.

64765037 is a deficient number, since it is larger than the sum of its proper divisors (1).

64765037 is an equidigital number, since it uses as much as digits as its factorization.

64765037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 64765037 is about 8047.6727691923. The cubic root of 64765037 is about 401.5875182130.

The spelling of 64765037 in words is "sixty-four million, seven hundred sixty-five thousand, thirty-seven".