64818706 has 16 divisors (see below), whose sum is σ = 101018880. Its totient is φ = 31159440.

The previous prime is 64818697. The next prime is 64818707. The reversal of 64818706 is 60781846.

64818706 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 (64818707) 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 7 ways as a sum of consecutive naturals, for example, 6405 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (6313680).

Almost surely, 2^64818706 is an apocalyptic number.

64818706 is a deficient number, since it is larger than the sum of its proper divisors (36200174).

64818706 is a wasteful number, since it uses less digits than its factorization.

64818706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 64818706 is about 8051.0065209264. The cubic root of 64818706 is about 401.6984157530.

The spelling of 64818706 in words is "sixty-four million, eight hundred eighteen thousand, seven hundred six".