9974687 has 4 divisors (see below), whose sum is σ = 9989280. Its totient is φ = 9960096.

The previous prime is 9974683. The next prime is 9974689. The reversal of 9974687 is 7864799.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9974687 - 2² = 9974683 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 (9974683) 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, 6218 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (2497320).

Almost surely, 2^9974687 is an apocalyptic number.

9974687 is a deficient number, since it is larger than the sum of its proper divisors (14593).

9974687 is a wasteful number, since it uses less digits than its factorization.

9974687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592.

The product of its digits is 762048, while the sum is 50.

The square root of 9974687 is about 3158.2727874584. The cubic root of 9974687 is about 215.2615313861.

The spelling of 9974687 in words is "nine million, nine hundred seventy-four thousand, six hundred eighty-seven".