66304326 has 32 divisors (see below), whose sum is σ = 145525248. Its totient is φ = 19972640.

The previous prime is 66304309. The next prime is 66304327. The reversal of 66304326 is 62340366.

It is a junction number, because it is equal to n+sod(n) for n = 66304293 and 66304302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66304327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8515 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (4547664).

Almost surely, 2^66304326 is an apocalyptic number.

66304326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66304326 is an abundant number, since it is smaller than the sum of its proper divisors (79220922).

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

66304326 is a wasteful number, since it uses less digits than its factorization.

66304326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 66304326 is about 8142.7468338393. The cubic root of 66304326 is about 404.7441884015.

The spelling of 66304326 in words is "sixty-six million, three hundred four thousand, three hundred twenty-six".