64602668 has 12 divisors (see below), whose sum is σ = 121751280. Its totient is φ = 29816592.

The previous prime is 64602661. The next prime is 64602683. The reversal of 64602668 is 86620646.

64602668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64602661) 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 3 ways as a sum of consecutive naturals, for example, 621128 + ... + 621231.

It is an arithmetic number, because the mean of its divisors is an integer number (10145940).

Almost surely, 2^64602668 is an apocalyptic number.

It is an amenable number.

64602668 is a deficient number, since it is larger than the sum of its proper divisors (57148612).

64602668 is a wasteful number, since it uses less digits than its factorization.

64602668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242376 (or 1242374 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 64602668 is about 8037.5784910631. The cubic root of 64602668 is about 401.2516377556.

The spelling of 64602668 in words is "sixty-four million, six hundred two thousand, six hundred sixty-eight".