64606330 has 16 divisors (see below), whose sum is σ = 116668584. Its totient is φ = 25758720.

The previous prime is 64606319. The next prime is 64606337. The reversal of 64606330 is 3360646.

It can be written as a sum of positive squares in 4 ways, for example, as 18515809 + 46090521 = 4303^2 + 6789^2 .

It is not an unprimeable number, because it can be changed into a prime (64606337) 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, 7191 + ... + 13450.

Almost surely, 2^64606330 is an apocalyptic number.

64606330 is a deficient number, since it is larger than the sum of its proper divisors (52062254).

64606330 is a wasteful number, since it uses less digits than its factorization.

64606330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20961.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 64606330 is about 8037.8062927642. The cubic root of 64606330 is about 401.2592192574.

Adding to 64606330 its reverse (3360646), we get a palindrome (67966976).

The spelling of 64606330 in words is "sixty-four million, six hundred six thousand, three hundred thirty".