64630448 has 20 divisors (see below), whose sum is σ = 126987408. Its totient is φ = 31859520.

The previous prime is 64630439. The next prime is 64630451. The reversal of 64630448 is 84403646.

It is a happy 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, 27311 + ... + 29582.

Almost surely, 2^64630448 is an apocalyptic number.

It is an amenable number.

64630448 is a deficient number, since it is larger than the sum of its proper divisors (62356960).

64630448 is a wasteful number, since it uses less digits than its factorization.

64630448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56972 (or 56966 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 64630448 is about 8039.3064377470. The cubic root of 64630448 is about 401.3091440139.

The spelling of 64630448 in words is "sixty-four million, six hundred thirty thousand, four hundred forty-eight".