64063385 has 8 divisors (see below), whose sum is σ = 76930440. Its totient is φ = 51214464.

The previous prime is 64063369. The next prime is 64063393. The reversal of 64063385 is 58336046.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 64048009 = 124^2 + 8003^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64063385 - 2⁴ = 64063369 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5111 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (9616305).

Almost surely, 2^64063385 is an apocalyptic number.

It is an amenable number.

64063385 is a deficient number, since it is larger than the sum of its proper divisors (12867055).

64063385 is a wasteful number, since it uses less digits than its factorization.

64063385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 64063385 is about 8003.9605821118. The cubic root of 64063385 is about 400.1320085129.

The spelling of 64063385 in words is "sixty-four million, sixty-three thousand, three hundred eighty-five".