64344132 has 30 divisors (see below), whose sum is σ = 168209118. Its totient is φ = 21447936.

The previous prime is 64344131. The next prime is 64344139. The reversal of 64344132 is 23144346.

64344132 is a `hidden beast` number, since 643 + 4 + 4 + 13 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 23970816 = 6354^2 + 4896^2 .

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 a junction number, because it is equal to n+sod(n) for n = 64344096 and 64344105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64344131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 98973 + ... + 99620.

Almost surely, 2^64344132 is an apocalyptic number.

It is an amenable number.

64344132 is an abundant number, since it is smaller than the sum of its proper divisors (103864986).

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

64344132 is a wasteful number, since it uses less digits than its factorization.

64344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198609 (or 198598 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 64344132 is about 8021.4794146716. The cubic root of 64344132 is about 400.7156604782.

Adding to 64344132 its reverse (23144346), we get a palindrome (87488478).

The spelling of 64344132 in words is "sixty-four million, three hundred forty-four thousand, one hundred thirty-two".