64678606 has 8 divisors (see below), whose sum is σ = 97118784. Its totient is φ = 32305680.

The previous prime is 64678597. The next prime is 64678619. The reversal of 64678606 is 60687646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14335 + ... + 18298.

It is an arithmetic number, because the mean of its divisors is an integer number (12139848).

Almost surely, 2^64678606 is an apocalyptic number.

64678606 is a deficient number, since it is larger than the sum of its proper divisors (32440178).

64678606 is a wasteful number, since it uses less digits than its factorization.

64678606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33626.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 64678606 is about 8042.3010388818. The cubic root of 64678606 is about 401.4087949171.

The spelling of 64678606 in words is "sixty-four million, six hundred seventy-eight thousand, six hundred six".