9942773 has 4 divisors (see below), whose sum is σ = 10527660. Its totient is φ = 9357888.

The previous prime is 9942767. The next prime is 9942797. The reversal of 9942773 is 3772499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3772499 = 107 ⋅35257.

It can be written as a sum of positive squares in 2 ways, for example, as 8898289 + 1044484 = 2983^2 + 1022^2 .

It is not a de Polignac number, because 9942773 - 2¹⁰ = 9941749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9942773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942763) 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, 292418 + ... + 292451.

It is an arithmetic number, because the mean of its divisors is an integer number (2631915).

Almost surely, 2^9942773 is an apocalyptic number.

It is an amenable number.

9942773 is a deficient number, since it is larger than the sum of its proper divisors (584887).

9942773 is a wasteful number, since it uses less digits than its factorization.

9942773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584886.

The product of its digits is 95256, while the sum is 41.

The square root of 9942773 is about 3153.2162945158. The cubic root of 9942773 is about 215.0317097632.

The spelling of 9942773 in words is "nine million, nine hundred forty-two thousand, seven hundred seventy-three".