64435065 has 8 divisors (see below), whose sum is σ = 103096128. Its totient is φ = 34365360.

The previous prime is 64435051. The next prime is 64435069. The reversal of 64435065 is 56053446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64435065 - 2⁶ = 64435001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64435069) 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 in 7 ways as a sum of consecutive naturals, for example, 2147821 + ... + 2147850.

It is an arithmetic number, because the mean of its divisors is an integer number (12887016).

Almost surely, 2^64435065 is an apocalyptic number.

It is an amenable number.

64435065 is a deficient number, since it is larger than the sum of its proper divisors (38661063).

64435065 is a wasteful number, since it uses less digits than its factorization.

64435065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295679.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 64435065 is about 8027.1455075886. The cubic root of 64435065 is about 400.9043393019.

The spelling of 64435065 in words is "sixty-four million, four hundred thirty-five thousand, sixty-five".