64765741 has 2 divisors, whose sum is σ = 64765742. Its totient is φ = 64765740.

The previous prime is 64765739. The next prime is 64765747. The reversal of 64765741 is 14756746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 12145225 = 7254^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 64765741 - 2¹ = 64765739 is a prime.

Together with 64765739, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64765694 and 64765703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64765747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32382870 + 32382871.

It is an arithmetic number, because the mean of its divisors is an integer number (32382871).

Almost surely, 2^64765741 is an apocalyptic number.

It is an amenable number.

64765741 is a deficient number, since it is larger than the sum of its proper divisors (1).

64765741 is an equidigital number, since it uses as much as digits as its factorization.

64765741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 64765741 is about 8047.7165084265. The cubic root of 64765741 is about 401.5889733015.

The spelling of 64765741 in words is "sixty-four million, seven hundred sixty-five thousand, seven hundred forty-one".