64662424 has 32 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 30215680.

The previous prime is 64662419. The next prime is 64662439. The reversal of 64662424 is 42426646.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 64662424.

It is a congruent number.

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, 18669 + ... + 21859.

It is an arithmetic number, because the mean of its divisors is an integer number (4039875).

Almost surely, 2^64662424 is an apocalyptic number.

It is an amenable number.

64662424 is a deficient number, since it is larger than the sum of its proper divisors (64613576).

64662424 is a wasteful number, since it uses less digits than its factorization.

64662424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3359 counting only the distinct ones).

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

The square root of 64662424 is about 8041.2949205958. The cubic root of 64662424 is about 401.3753158462.

The spelling of 64662424 in words is "sixty-four million, six hundred sixty-two thousand, four hundred twenty-four".