64448332 has 24 divisors (see below), whose sum is σ = 122400432. Its totient is φ = 29515200.

The previous prime is 64448303. The next prime is 64448341. The reversal of 64448332 is 23384446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (5100018).

Almost surely, 2^64448332 is an apocalyptic number.

It is an amenable number.

64448332 is a deficient number, since it is larger than the sum of its proper divisors (57952100).

64448332 is a wasteful number, since it uses less digits than its factorization.

64448332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609 (or 9607 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 64448332 is about 8027.9718484808. The cubic root of 64448332 is about 400.9318524418.

The spelling of 64448332 in words is "sixty-four million, four hundred forty-eight thousand, three hundred thirty-two".