64200704 has 56 divisors (see below), whose sum is σ = 136241028. Its totient is φ = 30146560.

The previous prime is 64200691. The next prime is 64200707. The reversal of 64200704 is 40700246.

It can be written as a sum of positive squares in 2 ways, for example, as 64000000 + 200704 = 8000^2 + 448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64200704.

It is not an unprimeable number, because it can be changed into a prime (64200707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139034 + ... + 139494.

Almost surely, 2^64200704 is an apocalyptic number.

64200704 is a gapful number since it is divisible by the number (64) 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 64200704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68120514).

64200704 is an abundant number, since it is smaller than the sum of its proper divisors (72040324).

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

64200704 is an equidigital number, since it uses as much as digits as its factorization.

64200704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 64200704 is about 8012.5341808943. The cubic root of 64200704 is about 400.4176970045.

It can be divided in two parts, 64 and 200704, that multiplied together give a square (12845056 = 3584²).

The spelling of 64200704 in words is "sixty-four million, two hundred thousand, seven hundred four".