9966727 has 8 divisors (see below), whose sum is σ = 10303776. Its totient is φ = 9633312.

The previous prime is 9966721. The next prime is 9966769. The reversal of 9966727 is 7276699.

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 9966727 - 2⁷ = 9966599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9966721) 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, 5373 + ... + 6985.

It is an arithmetic number, because the mean of its divisors is an integer number (1287972).

Almost surely, 2^9966727 is an apocalyptic number.

9966727 is a deficient number, since it is larger than the sum of its proper divisors (337049).

9966727 is a wasteful number, since it uses less digits than its factorization.

9966727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its digits is 285768, while the sum is 46.

The square root of 9966727 is about 3157.0123534760. The cubic root of 9966727 is about 215.2042551431.

The spelling of 9966727 in words is "nine million, nine hundred sixty-six thousand, seven hundred twenty-seven".