7242171 has 8 divisors (see below), whose sum is σ = 10076160. Its totient is φ = 4618152.

The previous prime is 7242149. The next prime is 7242181. The reversal of 7242171 is 1712427.

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

It is not a de Polignac number, because 7242171 - 2⁵ = 7242139 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7242101) 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, 52411 + ... + 52548.

It is an arithmetic number, because the mean of its divisors is an integer number (1259520).

Almost surely, 2^7242171 is an apocalyptic number.

7242171 is a deficient number, since it is larger than the sum of its proper divisors (2833989).

7242171 is a wasteful number, since it uses less digits than its factorization.

7242171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104985.

The product of its digits is 784, while the sum is 24.

The square root of 7242171 is about 2691.1282020744. The cubic root of 7242171 is about 193.4741400585.

Adding to 7242171 its reverse (1712427), we get a palindrome (8954598).

The spelling of 7242171 in words is "seven million, two hundred forty-two thousand, one hundred seventy-one".