9931742 has 8 divisors (see below), whose sum is σ = 14911776. Its totient is φ = 4961152.

The previous prime is 9931741. The next prime is 9931759. The reversal of 9931742 is 2471399.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9931741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598 + ... + 4734.

It is an arithmetic number, because the mean of its divisors is an integer number (1863972).

Almost surely, 2^9931742 is an apocalyptic number.

9931742 is a deficient number, since it is larger than the sum of its proper divisors (4980034).

9931742 is a wasteful number, since it uses less digits than its factorization.

9931742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722.

The product of its digits is 13608, while the sum is 35.

The square root of 9931742 is about 3151.4666426919. The cubic root of 9931742 is about 214.9521580948.

The spelling of 9931742 in words is "nine million, nine hundred thirty-one thousand, seven hundred forty-two".