64733828 has 12 divisors (see below), whose sum is σ = 116938752. Its totient is φ = 31322760.

The previous prime is 64733821. The next prime is 64733833. The reversal of 64733828 is 82833746.

64733828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64733821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 260900 + ... + 261147.

It is an arithmetic number, because the mean of its divisors is an integer number (9744896).

Almost surely, 2^64733828 is an apocalyptic number.

It is an amenable number.

64733828 is a deficient number, since it is larger than the sum of its proper divisors (52204924).

64733828 is a wasteful number, since it uses less digits than its factorization.

64733828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522082 (or 522080 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 64733828 is about 8045.7335277773. The cubic root of 64733828 is about 401.5230021349.

It can be divided in two parts, 6473 and 3828, that added together give a palindrome (10301).

The spelling of 64733828 in words is "sixty-four million, seven hundred thirty-three thousand, eight hundred twenty-eight".