64327500 has 120 divisors (see below), whose sum is σ = 208620720. Its totient is φ = 17136000.

The previous prime is 64327499. The next prime is 64327513. The reversal of 64327500 is 572346.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67024 + ... + 67976.

It is an arithmetic number, because the mean of its divisors is an integer number (1738506).

Almost surely, 2^64327500 is an apocalyptic number.

64327500 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 64327500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104310360).

64327500 is an abundant number, since it is smaller than the sum of its proper divisors (144293220).

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

64327500 is a wasteful number, since it uses less digits than its factorization.

64327500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 64327500 is about 8020.4426311769. The cubic root of 64327500 is about 400.6811311592.

Adding to 64327500 its reverse (572346), we get a palindrome (64899846).

The spelling of 64327500 in words is "sixty-four million, three hundred twenty-seven thousand, five hundred".