64362632 has 8 divisors (see below), whose sum is σ = 120679950. Its totient is φ = 32181312.

The previous prime is 64362611. The next prime is 64362637. The reversal of 64362632 is 23626346.

It can be written as a sum of positive squares in only one way, i.e., 40018276 + 24344356 = 6326^2 + 4934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (64362637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022657 + ... + 4022672.

Almost surely, 2^64362632 is an apocalyptic number.

It is an amenable number.

64362632 is a deficient number, since it is larger than the sum of its proper divisors (56317318).

64362632 is a wasteful number, since it uses less digits than its factorization.

64362632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045335 (or 8045331 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 64362632 is about 8022.6324856620. The cubic root of 64362632 is about 400.7540609204.

Adding to 64362632 its reverse (23626346), we get a palindrome (87988978).

The spelling of 64362632 in words is "sixty-four million, three hundred sixty-two thousand, six hundred thirty-two".