64604530 has 8 divisors (see below), whose sum is σ = 116288172. Its totient is φ = 25841808.

The previous prime is 64604497. The next prime is 64604537. The reversal of 64604530 is 3540646.

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 1545049 = 7941^2 + 1243^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64604537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230217 + ... + 3230236.

Almost surely, 2^64604530 is an apocalyptic number.

64604530 is a deficient number, since it is larger than the sum of its proper divisors (51683642).

64604530 is a wasteful number, since it uses less digits than its factorization.

64604530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460460.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64604530 is about 8037.6943211346. The cubic root of 64604530 is about 401.2554927222.

The spelling of 64604530 in words is "sixty-four million, six hundred four thousand, five hundred thirty".