64766328 has 64 divisors (see below), whose sum is σ = 187038720. Its totient is φ = 18470400.

The previous prime is 64766291. The next prime is 64766353. The reversal of 64766328 is 82366746.

64766328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64766328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (2922480).

Almost surely, 2^64766328 is an apocalyptic number.

64766328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64766328 is an abundant number, since it is smaller than the sum of its proper divisors (122272392).

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

64766328 is a wasteful number, since it uses less digits than its factorization.

64766328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14468 (or 14464 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 64766328 is about 8047.7529783164. The cubic root of 64766328 is about 401.5901865562.

The spelling of 64766328 in words is "sixty-four million, seven hundred sixty-six thousand, three hundred twenty-eight".