64380300 has 72 divisors (see below), whose sum is σ = 189112896. Its totient is φ = 16906560.

The previous prime is 64380293. The next prime is 64380301. The reversal of 64380300 is 308346.

It is not an unprimeable number, because it can be changed into a prime (64380301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18499 + ... + 21701.

It is an arithmetic number, because the mean of its divisors is an integer number (2626568).

Almost surely, 2^64380300 is an apocalyptic number.

64380300 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 64380300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94556448).

64380300 is an abundant number, since it is smaller than the sum of its proper divisors (124732596).

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

64380300 is a wasteful number, since it uses less digits than its factorization.

64380300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 64380300 is about 8023.7335449278. The cubic root of 64380300 is about 400.7907275117.

Adding to 64380300 its reverse (308346), we get a palindrome (64688646).

The spelling of 64380300 in words is "sixty-four million, three hundred eighty thousand, three hundred".