8742211 has 4 divisors (see below), whose sum is σ = 8748952. Its totient is φ = 8735472.

The previous prime is 8742197. The next prime is 8742259. The reversal of 8742211 is 1122478.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8742211 - 2⁹ = 8741699 is a prime.

It is a Duffinian number.

8742211 is a lucky number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8742011) 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, 741 + ... + 4246.

It is an arithmetic number, because the mean of its divisors is an integer number (2187238).

Almost surely, 2^8742211 is an apocalyptic number.

8742211 is a deficient number, since it is larger than the sum of its proper divisors (6741).

8742211 is a wasteful number, since it uses less digits than its factorization.

8742211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740.

The product of its digits is 896, while the sum is 25.

The square root of 8742211 is about 2956.7230171255. The cubic root of 8742211 is about 206.0031026648.

Adding to 8742211 its reverse (1122478), we get a palindrome (9864689).

The spelling of 8742211 in words is "eight million, seven hundred forty-two thousand, two hundred eleven".