64326312 has 80 divisors (see below), whose sum is σ = 183670740. Its totient is φ = 21026304.

The previous prime is 64326299. The next prime is 64326337. The reversal of 64326312 is 21362346.

64326312 is a `hidden beast` number, since 643 + 2 + 6 + 3 + 12 = 666.

64326312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61873956 + 2452356 = 7866^2 + 1566^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33408 + ... + 35280.

Almost surely, 2^64326312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64326312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91835370).

64326312 is an abundant number, since it is smaller than the sum of its proper divisors (119344428).

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

64326312 is a wasteful number, since it uses less digits than its factorization.

64326312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1931 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 64326312 is about 8020.3685700845. The cubic root of 64326312 is about 400.6786645515.

Adding to 64326312 its reverse (21362346), we get a palindrome (85688658).

The spelling of 64326312 in words is "sixty-four million, three hundred twenty-six thousand, three hundred twelve".