64386694 has 8 divisors (see below), whose sum is σ = 97665480. Its totient is φ = 31831536.

The previous prime is 64386671. The next prime is 64386703. The reversal of 64386694 is 49668346.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180684 + ... + 181039.

It is an arithmetic number, because the mean of its divisors is an integer number (12208185).

Almost surely, 2^64386694 is an apocalyptic number.

64386694 is a deficient number, since it is larger than the sum of its proper divisors (33278786).

64386694 is a wasteful number, since it uses less digits than its factorization.

64386694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361814.

The product of its digits is 746496, while the sum is 46.

The square root of 64386694 is about 8024.1319779774. The cubic root of 64386694 is about 400.8039953958.

The spelling of 64386694 in words is "sixty-four million, three hundred eighty-six thousand, six hundred ninety-four".