9973757 has 4 divisors (see below), whose sum is σ = 10243356. Its totient is φ = 9704160.

The previous prime is 9973753. The next prime is 9973763. The reversal of 9973757 is 7573799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7573799 = 19 ⋅398621.

It can be written as a sum of positive squares in 2 ways, for example, as 4280761 + 5692996 = 2069^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973757 - 2² = 9973753 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 (9973751) 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, 134744 + ... + 134817.

It is an arithmetic number, because the mean of its divisors is an integer number (2560839).

Almost surely, 2^9973757 is an apocalyptic number.

It is an amenable number.

9973757 is a deficient number, since it is larger than the sum of its proper divisors (269599).

9973757 is a wasteful number, since it uses less digits than its factorization.

9973757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269598.

The product of its digits is 416745, while the sum is 47.

The square root of 9973757 is about 3158.1255516524. The cubic root of 9973757 is about 215.2548411362.

The spelling of 9973757 in words is "nine million, nine hundred seventy-three thousand, seven hundred fifty-seven".