64308006 has 56 divisors (see below), whose sum is σ = 165314064. Its totient is φ = 18370800.

The previous prime is 64308001. The next prime is 64308137. The reversal of 64308006 is 60080346.

64308006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64308001) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 7056 + ... + 13356.

Almost surely, 2^64308006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64308006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82657032).

64308006 is an abundant number, since it is smaller than the sum of its proper divisors (101006058).

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

64308006 is an equidigital number, since it uses as much as digits as its factorization.

64308006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6313 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64308006 is about 8019.2272695067. The cubic root of 64308006 is about 400.6406525297.

The spelling of 64308006 in words is "sixty-four million, three hundred eight thousand, six".