9997733 has 4 divisors (see below), whose sum is σ = 10267980. Its totient is φ = 9727488.

The previous prime is 9997711. The next prime is 9997739. The reversal of 9997733 is 3377999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5166529 + 4831204 = 2273^2 + 2198^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997733 - 2¹⁰ = 9996709 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997739) 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 3 ways as a sum of consecutive naturals, for example, 135068 + ... + 135141.

It is an arithmetic number, because the mean of its divisors is an integer number (2566995).

Almost surely, 2^9997733 is an apocalyptic number.

It is an amenable number.

9997733 is a deficient number, since it is larger than the sum of its proper divisors (270247).

9997733 is a wasteful number, since it uses less digits than its factorization.

9997733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270246.

The product of its digits is 321489, while the sum is 47.

The square root of 9997733 is about 3161.9191956785. The cubic root of 9997733 is about 215.4271874280.

The spelling of 9997733 in words is "nine million, nine hundred ninety-seven thousand, seven hundred thirty-three".