66304134 has 48 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 19900800.

The previous prime is 66304127. The next prime is 66304159. The reversal of 66304134 is 43140366.

It is a junction number, because it is equal to n+sod(n) for n = 66304098 and 66304107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6139 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 2^66304134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66304134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79252992).

66304134 is an abundant number, since it is smaller than the sum of its proper divisors (92201850).

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

66304134 is a wasteful number, since it uses less digits than its factorization.

66304134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6970 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 66304134 is about 8142.7350441974. The cubic root of 66304134 is about 404.7437977233.

The spelling of 66304134 in words is "sixty-six million, three hundred four thousand, one hundred thirty-four".