64344532 has 12 divisors (see below), whose sum is σ = 128689120. Its totient is φ = 27576216.

The previous prime is 64344529. The next prime is 64344587. The reversal of 64344532 is 23544346.

64344532 is an admirable number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 64344494 and 64344503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148982 + ... + 1149037.

Almost surely, 2^64344532 is an apocalyptic number.

It is an amenable number.

64344532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64344532 is a wasteful number, since it uses less digits than its factorization.

64344532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298030 (or 2298028 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 64344532 is about 8021.5043476894. The cubic root of 64344532 is about 400.7164908359.

Adding to 64344532 its reverse (23544346), we get a palindrome (87888878).

The spelling of 64344532 in words is "sixty-four million, three hundred forty-four thousand, five hundred thirty-two".