9975769 has 4 divisors (see below), whose sum is σ = 10297600. Its totient is φ = 9653940.

The previous prime is 9975737. The next prime is 9975773. The reversal of 9975769 is 9675799.

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 9975769 - 2⁵ = 9975737 is a prime.

It is a super-2 number, since 2×9975769² = 199031934282722, which contains 22 as substring.

It is a Duffinian number.

9975769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9975709) 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 3 ways as a sum of consecutive naturals, for example, 160869 + ... + 160930.

It is an arithmetic number, because the mean of its divisors is an integer number (2574400).

Almost surely, 2^9975769 is an apocalyptic number.

It is an amenable number.

9975769 is a deficient number, since it is larger than the sum of its proper divisors (321831).

9975769 is a wasteful number, since it uses less digits than its factorization.

9975769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321830.

The product of its digits is 1071630, while the sum is 52.

The square root of 9975769 is about 3158.4440789731. Note that the first 3 decimals coincide. The cubic root of 9975769 is about 215.2693145729.

The spelling of 9975769 in words is "nine million, nine hundred seventy-five thousand, seven hundred sixty-nine".