64752328 has 16 divisors (see below), whose sum is σ = 121519260. Its totient is φ = 32347200.

The previous prime is 64752307. The next prime is 64752329. The reversal of 64752328 is 82325746.

It can be written as a sum of positive squares in 2 ways, for example, as 64609444 + 142884 = 8038^2 + 378^2 .

It is not an unprimeable number, because it can be changed into a prime (64752329) 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, 8118 + ... + 13978.

Almost surely, 2^64752328 is an apocalyptic number.

It is an amenable number.

64752328 is a deficient number, since it is larger than the sum of its proper divisors (56766932).

64752328 is a wasteful number, since it uses less digits than its factorization.

64752328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248 (or 7244 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 64752328 is about 8046.8831232969. The cubic root of 64752328 is about 401.5612483309.

It can be divided in two parts, 647 and 52328, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 64752328 in words is "sixty-four million, seven hundred fifty-two thousand, three hundred twenty-eight".