9969773 has 4 divisors (see below), whose sum is σ = 10876128. Its totient is φ = 9063420.

The previous prime is 9969731. The next prime is 9969793. The reversal of 9969773 is 3779699.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9969773 - 2⁶ = 9969709 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 (9969703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453161 + ... + 453182.

It is an arithmetic number, because the mean of its divisors is an integer number (2719032).

Almost surely, 2^9969773 is an apocalyptic number.

It is an amenable number.

9969773 is a deficient number, since it is larger than the sum of its proper divisors (906355).

9969773 is a wasteful number, since it uses less digits than its factorization.

9969773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906354.

The product of its digits is 642978, while the sum is 50.

The square root of 9969773 is about 3157.4947347541. The cubic root of 9969773 is about 215.2261762611.

The spelling of 9969773 in words is "nine million, nine hundred sixty-nine thousand, seven hundred seventy-three".