64717064 has 32 divisors (see below), whose sum is σ = 124740000. Its totient is φ = 31460352.

The previous prime is 64717049. The next prime is 64717099. The reversal of 64717064 is 46071746.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143912 + ... + 144360.

It is an arithmetic number, because the mean of its divisors is an integer number (3898125).

Almost surely, 2^64717064 is an apocalyptic number.

It is an amenable number.

64717064 is a deficient number, since it is larger than the sum of its proper divisors (60022936).

64717064 is a wasteful number, since it uses less digits than its factorization.

64717064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 64717064 is about 8044.6916659372. The cubic root of 64717064 is about 401.4883385854.

The spelling of 64717064 in words is "sixty-four million, seven hundred seventeen thousand, sixty-four".