64851712 has 72 divisors (see below), whose sum is σ = 138992000. Its totient is φ = 30108672.

The previous prime is 64851671. The next prime is 64851733. The reversal of 64851712 is 21715846.

64851712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 325789 + ... + 325987.

Almost surely, 2^64851712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64851712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69496000).

64851712 is an abundant number, since it is smaller than the sum of its proper divisors (74140288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64851712 is a wasteful number, since it uses less digits than its factorization.

64851712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 287 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 64851712 is about 8053.0560658672. The cubic root of 64851712 is about 401.7665864450.

The spelling of 64851712 in words is "sixty-four million, eight hundred fifty-one thousand, seven hundred twelve".