64804 has 12 divisors (see below), whose sum is σ = 120204. Its totient is φ = 30464.

The previous prime is 64793. The next prime is 64811. The reversal of 64804 is 40846.

64804 = T₅ + T₆ + ... + T₇₂.

64804 = 40² + 41² + ... + 63².

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 25600 = 198^2 + 160^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64804.

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, 409 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (10017).

2⁶⁴⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

64804 is a deficient number, since it is larger than the sum of its proper divisors (55400).

64804 is a wasteful number, since it uses less digits than its factorization.

64804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 64804 is about 254.5662978479. The cubic root of 64804 is about 40.1668034484.

It can be divided in two parts, 64 and 804, that added together give a palindrome (868).

The spelling of 64804 in words is "sixty-four thousand, eight hundred four".