9937742 has 4 divisors (see below), whose sum is σ = 14906616. Its totient is φ = 4968870.

The previous prime is 9937729. The next prime is 9937751. The reversal of 9937742 is 2477399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2477399 = 23 ⋅107713.

It is a self number, because there is not a number n which added to its sum of digits gives 9937742.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2484434 + ... + 2484437.

It is an arithmetic number, because the mean of its divisors is an integer number (3726654).

Almost surely, 2^9937742 is an apocalyptic number.

9937742 is a deficient number, since it is larger than the sum of its proper divisors (4968874).

9937742 is a wasteful number, since it uses less digits than its factorization.

9937742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968873.

The product of its digits is 95256, while the sum is 41.

The square root of 9937742 is about 3152.4184366927. The cubic root of 9937742 is about 214.9954352736.

The spelling of 9937742 in words is "nine million, nine hundred thirty-seven thousand, seven hundred forty-two".