64008620 has 24 divisors (see below), whose sum is σ = 144758544. Its totient is φ = 23633856.

The previous prime is 64008617. The next prime is 64008641. The reversal of 64008620 is 2680046.

64008620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 64008620.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122834 + ... + 123353.

It is an arithmetic number, because the mean of its divisors is an integer number (6031606).

Almost surely, 2^64008620 is an apocalyptic number.

It is an amenable number.

64008620 is an abundant number, since it is smaller than the sum of its proper divisors (80749924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64008620 is a wasteful number, since it uses less digits than its factorization.

64008620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246209 (or 246207 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 64008620 is about 8000.5387318605. The cubic root of 64008620 is about 400.0179575271.

Adding to 64008620 its reverse (2680046), we get a palindrome (66688666).

The spelling of 64008620 in words is "sixty-four million, eight thousand, six hundred twenty".