9976749 has 8 divisors (see below), whose sum is σ = 13372032. Its totient is φ = 6616320.

The previous prime is 9976711. The next prime is 9976763. The reversal of 9976749 is 9476799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9976749 - 2¹² = 9972653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976789) 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 7 ways as a sum of consecutive naturals, for example, 8037 + ... + 9194.

It is an arithmetic number, because the mean of its divisors is an integer number (1671504).

Almost surely, 2^9976749 is an apocalyptic number.

It is an amenable number.

9976749 is a deficient number, since it is larger than the sum of its proper divisors (3395283).

9976749 is a wasteful number, since it uses less digits than its factorization.

9976749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17427.

The product of its digits is 857304, while the sum is 51.

The square root of 9976749 is about 3158.5992148419. The cubic root of 9976749 is about 215.2763635540.

The spelling of 9976749 in words is "nine million, nine hundred seventy-six thousand, seven hundred forty-nine".