64069065 has 12 divisors (see below), whose sum is σ = 111053124. Its totient is φ = 34170144.

The previous prime is 64069021. The next prime is 64069123. The reversal of 64069065 is 56096046.

It is a happy number.

64069065 is a `hidden beast` number, since 640 + 6 + 9 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45198729 + 18870336 = 6723^2 + 4344^2 .

It is not a de Polignac number, because 64069065 - 2¹³ = 64060873 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711834 + ... + 711923.

It is an arithmetic number, because the mean of its divisors is an integer number (9254427).

Almost surely, 2^64069065 is an apocalyptic number.

It is an amenable number.

64069065 is a deficient number, since it is larger than the sum of its proper divisors (46984059).

64069065 is a wasteful number, since it uses less digits than its factorization.

64069065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423768 (or 1423765 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 64069065 is about 8004.3153985834. The cubic root of 64069065 is about 400.1438336901.

The spelling of 64069065 in words is "sixty-four million, sixty-nine thousand, sixty-five".