64895633 has 8 divisors (see below), whose sum is σ = 71793216. Its totient is φ = 58164400.

The previous prime is 64895629. The next prime is 64895639. The reversal of 64895633 is 33659846.

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 64895633 - 2² = 64895629 is a prime.

It is a super-2 number, since 2×64895633² = 8422886364941378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64895639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40766 + ... + 42327.

It is an arithmetic number, because the mean of its divisors is an integer number (8974152).

Almost surely, 2^64895633 is an apocalyptic number.

It is an amenable number.

64895633 is a deficient number, since it is larger than the sum of its proper divisors (6897583).

64895633 is a wasteful number, since it uses less digits than its factorization.

64895633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83175.

The product of its digits is 466560, while the sum is 44.

The square root of 64895633 is about 8055.7825814752. The cubic root of 64895633 is about 401.8572651518.

The spelling of 64895633 in words is "sixty-four million, eight hundred ninety-five thousand, six hundred thirty-three".