66726233 has 8 divisors (see below), whose sum is σ = 80272320. Its totient is φ = 54183600.

The previous prime is 66726221. The next prime is 66726259. The reversal of 66726233 is 33262766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66726233 - 2⁴ = 66726217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66726193 and 66726202.

It is not an unprimeable number, because it can be changed into a prime (66726263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250718 + ... + 250983.

It is an arithmetic number, because the mean of its divisors is an integer number (10034040).

Almost surely, 2^66726233 is an apocalyptic number.

It is an amenable number.

66726233 is a deficient number, since it is larger than the sum of its proper divisors (13546087).

66726233 is a wasteful number, since it uses less digits than its factorization.

66726233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501727.

The product of its digits is 54432, while the sum is 35.

The square root of 66726233 is about 8168.6126729084. The cubic root of 66726233 is about 405.6008619123.

Adding to 66726233 its reverse (33262766), we get a palindrome (99988999).

The spelling of 66726233 in words is "sixty-six million, seven hundred twenty-six thousand, two hundred thirty-three".