66726336 has 28 divisors (see below), whose sum is σ = 176547272. Its totient is φ = 22242048.

The previous prime is 66726329. The next prime is 66726379. The reversal of 66726336 is 63362766.

66726336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66726294 and 66726303.

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 3 ways as a sum of consecutive naturals, for example, 173575 + ... + 173958.

Almost surely, 2^66726336 is an apocalyptic number.

It is an amenable number.

66726336 is an abundant number, since it is smaller than the sum of its proper divisors (109820936).

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

66726336 is a wasteful number, since it uses less digits than its factorization.

66726336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347548 (or 347538 counting only the distinct ones).

The product of its digits is 163296, while the sum is 39.

The square root of 66726336 is about 8168.6189775261. The cubic root of 66726336 is about 405.6010706102.

The spelling of 66726336 in words is "sixty-six million, seven hundred twenty-six thousand, three hundred thirty-six".