9974543 has 4 divisors (see below), whose sum is σ = 9982440. Its totient is φ = 9966648.

The previous prime is 9974527. The next prime is 9974551. The reversal of 9974543 is 3454799.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3454799 = 29 ⋅119131.

It is not a de Polignac number, because 9974543 - 2⁴ = 9974527 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 9⁴ + 7⁸ + 4 + 5³ + 4¹¹ + 3⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9974543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580 + ... + 4737.

It is an arithmetic number, because the mean of its divisors is an integer number (2495610).

Almost surely, 2^9974543 is an apocalyptic number.

9974543 is a deficient number, since it is larger than the sum of its proper divisors (7897).

9974543 is a wasteful number, since it uses less digits than its factorization.

9974543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896.

The product of its digits is 136080, while the sum is 41.

The square root of 9974543 is about 3158.2499901053. The cubic root of 9974543 is about 215.2604955037.

The spelling of 9974543 in words is "nine million, nine hundred seventy-four thousand, five hundred forty-three".