66725126 has 8 divisors (see below), whose sum is σ = 107786784. Its totient is φ = 30796200.

The previous prime is 66725123. The next prime is 66725149. The reversal of 66725126 is 62152766.

66725126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66725123) 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 3 ways as a sum of consecutive naturals, for example, 1283150 + ... + 1283201.

It is an arithmetic number, because the mean of its divisors is an integer number (13473348).

Almost surely, 2^66725126 is an apocalyptic number.

66725126 is a deficient number, since it is larger than the sum of its proper divisors (41061658).

66725126 is a wasteful number, since it uses less digits than its factorization.

66725126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566366.

The product of its digits is 30240, while the sum is 35.

The square root of 66725126 is about 8168.5449132633. The cubic root of 66725126 is about 405.5986189032.

The spelling of 66725126 in words is "sixty-six million, seven hundred twenty-five thousand, one hundred twenty-six".