9974657 has 16 divisors (see below), whose sum is σ = 12507264. Its totient is φ = 7728000.

The previous prime is 9974651. The next prime is 9974683. The reversal of 9974657 is 7564799.

It is not a de Polignac number, because 9974657 - 2⁸ = 9974401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9974651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21407 + ... + 21867.

It is an arithmetic number, because the mean of its divisors is an integer number (781704).

Almost surely, 2^9974657 is an apocalyptic number.

It is an amenable number.

9974657 is a deficient number, since it is larger than the sum of its proper divisors (2532607).

9974657 is a wasteful number, since it uses less digits than its factorization.

9974657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its digits is 476280, while the sum is 47.

The square root of 9974657 is about 3158.2680380234. The cubic root of 9974657 is about 215.2613155781.

The spelling of 9974657 in words is "nine million, nine hundred seventy-four thousand, six hundred fifty-seven".