9742911 has 8 divisors (see below), whose sum is σ = 13039920. Its totient is φ = 6470592.

The previous prime is 9742903. The next prime is 9742963. The reversal of 9742911 is 1192479.

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

It is not a de Polignac number, because 9742911 - 2³ = 9742903 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

9742911 is a lucky number.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5230 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (1629990).

Almost surely, 2^9742911 is an apocalyptic number.

9742911 is a deficient number, since it is larger than the sum of its proper divisors (3297009).

9742911 is a wasteful number, since it uses less digits than its factorization.

9742911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345.

The product of its digits is 4536, while the sum is 33.

The square root of 9742911 is about 3121.3636443068. The cubic root of 9742911 is about 213.5811456727.

The spelling of 9742911 in words is "nine million, seven hundred forty-two thousand, nine hundred eleven".