64433332 has 24 divisors (see below), whose sum is σ = 125677440. Its totient is φ = 28725120.

The previous prime is 64433329. The next prime is 64433333. The reversal of 64433332 is 23333446.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 64433332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64433333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23644 + ... + 26227.

It is an arithmetic number, because the mean of its divisors is an integer number (5236560).

Almost surely, 2^64433332 is an apocalyptic number.

It is an amenable number.

64433332 is a deficient number, since it is larger than the sum of its proper divisors (61244108).

64433332 is a wasteful number, since it uses less digits than its factorization.

64433332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49911 (or 49909 counting only the distinct ones).

The product of its digits is 15552, while the sum is 28.

The square root of 64433332 is about 8027.0375606446. The cubic root of 64433332 is about 400.9007451230.

Adding to 64433332 its reverse (23333446), we get a palindrome (87766778).

The spelling of 64433332 in words is "sixty-four million, four hundred thirty-three thousand, three hundred thirty-two".