64752896 has 36 divisors (see below), whose sum is σ = 139202532. Its totient is φ = 29884416.

The previous prime is 64752871. The next prime is 64752901. The reversal of 64752896 is 69825746.

It can be written as a sum of positive squares in 2 ways, for example, as 30647296 + 34105600 = 5536^2 + 5840^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64752896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6401 + ... + 13056.

It is an arithmetic number, because the mean of its divisors is an integer number (3866737).

Almost surely, 2^64752896 is an apocalyptic number.

It is an amenable number.

64752896 is an abundant number, since it is smaller than the sum of its proper divisors (74449636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64752896 is a wasteful number, since it uses less digits than its factorization.

64752896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19486 (or 19472 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 64752896 is about 8046.9184163877. The cubic root of 64752896 is about 401.5624224772.

The spelling of 64752896 in words is "sixty-four million, seven hundred fifty-two thousand, eight hundred ninety-six".