9742118 has 16 divisors (see below), whose sum is σ = 14904000. Its totient is φ = 4775232.

The previous prime is 9742111. The next prime is 9742121. The reversal of 9742118 is 8112479.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9742111) 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 7 ways as a sum of consecutive naturals, for example, 40643 + ... + 40881.

It is an arithmetic number, because the mean of its divisors is an integer number (931500).

Almost surely, 2^9742118 is an apocalyptic number.

9742118 is a deficient number, since it is larger than the sum of its proper divisors (5161882).

9742118 is a wasteful number, since it uses less digits than its factorization.

9742118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its digits is 4032, while the sum is 32.

The square root of 9742118 is about 3121.2366139080. The cubic root of 9742118 is about 213.5753508801.

The spelling of 9742118 in words is "nine million, seven hundred forty-two thousand, one hundred eighteen".