9973237 has 12 divisors (see below), whose sum is σ = 11048940. Its totient is φ = 8970368.

The previous prime is 9973219. The next prime is 9973241. The reversal of 9973237 is 7323799.

It can be written as a sum of positive squares in 2 ways, for example, as 3218436 + 6754801 = 1794^2 + 2599^2 .

It is not a de Polignac number, because 9973237 - 2⁷ = 9973109 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 9973237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8439 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (920745).

Almost surely, 2^9973237 is an apocalyptic number.

It is an amenable number.

9973237 is a deficient number, since it is larger than the sum of its proper divisors (1075703).

9973237 is a wasteful number, since it uses less digits than its factorization.

9973237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1149 counting only the distinct ones).

The product of its digits is 71442, while the sum is 40.

The square root of 9973237 is about 3158.0432232634. The cubic root of 9973237 is about 215.2511001701.

The spelling of 9973237 in words is "nine million, nine hundred seventy-three thousand, two hundred thirty-seven".