64204500 has 96 divisors (see below), whose sum is σ = 195197184. Its totient is φ = 16368000.

The previous prime is 64204489. The next prime is 64204531. The reversal of 64204500 is 540246.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33570 + ... + 35430.

It is an arithmetic number, because the mean of its divisors is an integer number (2033304).

Almost surely, 2^64204500 is an apocalyptic number.

64204500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64204500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97598592).

64204500 is an abundant number, since it is smaller than the sum of its proper divisors (130992684).

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

64204500 is a wasteful number, since it uses less digits than its factorization.

64204500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 64204500 is about 8012.7710562576. The cubic root of 64204500 is about 400.4255886917.

Adding to 64204500 its reverse (540246), we get a palindrome (64744746).

The spelling of 64204500 in words is "sixty-four million, two hundred four thousand, five hundred".