64876328 has 24 divisors (see below), whose sum is σ = 133708890. Its totient is φ = 29488800.

The previous prime is 64876313. The next prime is 64876333. The reversal of 64876328 is 82367846.

It can be written as a sum of positive squares in only one way, i.e., 63075364 + 1800964 = 7942^2 + 1342^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32543 + ... + 34478.

Almost surely, 2^64876328 is an apocalyptic number.

It is an amenable number.

64876328 is an abundant number, since it is smaller than the sum of its proper divisors (68832562).

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

64876328 is a wasteful number, since it uses less digits than its factorization.

64876328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67049 (or 67034 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 64876328 is about 8054.5842847412. The cubic root of 64876328 is about 401.8174133491.

The spelling of 64876328 in words is "sixty-four million, eight hundred seventy-six thousand, three hundred twenty-eight".