64771066 has 8 divisors (see below), whose sum is σ = 97196544. Its totient is φ = 32372220.

The previous prime is 64771061. The next prime is 64771093. The reversal of 64771066 is 66017746.

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

It is not an unprimeable number, because it can be changed into a prime (64771061) by changing a digit.

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, 1351 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (12149568).

Almost surely, 2^64771066 is an apocalyptic number.

64771066 is a deficient number, since it is larger than the sum of its proper divisors (32425478).

64771066 is a wasteful number, since it uses less digits than its factorization.

64771066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 64771066 is about 8048.0473408150. The cubic root of 64771066 is about 401.5999791339.

The spelling of 64771066 in words is "sixty-four million, seven hundred seventy-one thousand, sixty-six".