10666725 has 12 divisors (see below), whose sum is σ = 17635776. Its totient is φ = 5688880.

The previous prime is 10666717. The next prime is 10666729. The reversal of 10666725 is 52766601.

It is not a de Polignac number, because 10666725 - 2³ = 10666717 is a prime.

It is a super-2 number, since 2×10666725² = 227558044451250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71037 + ... + 71186.

It is an arithmetic number, because the mean of its divisors is an integer number (1469648).

Almost surely, 2^10666725 is an apocalyptic number.

10666725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10666725 is a deficient number, since it is larger than the sum of its proper divisors (6969051).

10666725 is a wasteful number, since it uses less digits than its factorization.

10666725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142236 (or 142231 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 10666725 is about 3265.9952541300. The cubic root of 10666725 is about 220.1288845348.

The spelling of 10666725 in words is "ten million, six hundred sixty-six thousand, seven hundred twenty-five".