64630033 has 16 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 58369536.

The previous prime is 64630031. The next prime is 64630037. The reversal of 64630033 is 33003646.

64630033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64630033 - 2¹ = 64630031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64630031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134688 + ... + 135166.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^64630033 is an apocalyptic number.

It is an amenable number.

64630033 is a deficient number, since it is larger than the sum of its proper divisors (6494447).

64630033 is a wasteful number, since it uses less digits than its factorization.

64630033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 64630033 is about 8039.2806270213. The cubic root of 64630033 is about 401.3082850603.

Adding to 64630033 its reverse (33003646), we get a palindrome (97633679).

The spelling of 64630033 in words is "sixty-four million, six hundred thirty thousand, thirty-three".