64808528 has 20 divisors (see below), whose sum is σ = 125977428. Its totient is φ = 32298240.

The previous prime is 64808521. The next prime is 64808537. The reversal of 64808528 is 82580846.

It can be written as a sum of positive squares in 2 ways, for example, as 18731584 + 46076944 = 4328^2 + 6788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64808521) 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, 1463 + ... + 11478.

Almost surely, 2^64808528 is an apocalyptic number.

It is an amenable number.

64808528 is a deficient number, since it is larger than the sum of its proper divisors (61168900).

64808528 is a wasteful number, since it uses less digits than its factorization.

64808528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262 (or 13256 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 64808528 is about 8050.3744012313. The cubic root of 64808528 is about 401.6773894128.

The spelling of 64808528 in words is "sixty-four million, eight hundred eight thousand, five hundred twenty-eight".