9742211 has 4 divisors (see below), whose sum is σ = 10005552. Its totient is φ = 9478872.

The previous prime is 9742199. The next prime is 9742217. The reversal of 9742211 is 1122479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1122479 = 31 ⋅36209.

It is a cyclic number.

It is not a de Polignac number, because 9742211 - 2⁶ = 9742147 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9742217) 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, 131615 + ... + 131688.

It is an arithmetic number, because the mean of its divisors is an integer number (2501388).

Almost surely, 2^9742211 is an apocalyptic number.

9742211 is a deficient number, since it is larger than the sum of its proper divisors (263341).

9742211 is a wasteful number, since it uses less digits than its factorization.

9742211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263340.

The product of its digits is 1008, while the sum is 26.

The square root of 9742211 is about 3121.2515118138. The cubic root of 9742211 is about 213.5760304875.

The spelling of 9742211 in words is "nine million, seven hundred forty-two thousand, two hundred eleven".