9966737 has 8 divisors (see below), whose sum is σ = 10915392. Its totient is φ = 9025200.

The previous prime is 9966721. The next prime is 9966769. The reversal of 9966737 is 7376699.

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 9966737 - 2⁴ = 9966721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9966691 and 9966700.

It is not an unprimeable number, because it can be changed into a prime (9966707) 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, 1412 + ... + 4682.

It is an arithmetic number, because the mean of its divisors is an integer number (1364424).

Almost surely, 2^9966737 is an apocalyptic number.

It is an amenable number.

9966737 is a deficient number, since it is larger than the sum of its proper divisors (948655).

9966737 is a wasteful number, since it uses less digits than its factorization.

9966737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559.

The product of its digits is 428652, while the sum is 47.

The square root of 9966737 is about 3157.0139372515. The cubic root of 9966737 is about 215.2043271173.

The spelling of 9966737 in words is "nine million, nine hundred sixty-six thousand, seven hundred thirty-seven".