64332624 has 40 divisors (see below), whose sum is σ = 175970880. Its totient is φ = 20182528.

The previous prime is 64332617. The next prime is 64332629. The reversal of 64332624 is 42623346.

It is a happy number.

64332624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 64332591 and 64332600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64332629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38604 + ... + 40235.

It is an arithmetic number, because the mean of its divisors is an integer number (4399272).

Almost surely, 2^64332624 is an apocalyptic number.

It is an amenable number.

64332624 is an abundant number, since it is smaller than the sum of its proper divisors (111638256).

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

64332624 is a wasteful number, since it uses less digits than its factorization.

64332624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78867 (or 78861 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 64332624 is about 8020.7620585578. The cubic root of 64332624 is about 400.6917696140.

The spelling of 64332624 in words is "sixty-four million, three hundred thirty-two thousand, six hundred twenty-four".