Adding to 742211 its reverse (112247), we get a palindrome (854458).
742211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a Chen prime.
It is a nialpdrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 742211.
2742211 is an apocalyptic number.
742211 is the 461-st centered heptagonal number.
742211 is an equidigital number, since it uses as much as digits as its factorization.
742211 is an evil number, because the sum of its binary digits is even.
The square root of 742211 is about 861.5166858512. The cubic root of 742211 is about 90.5404111213.
The spelling of 742211 in words is "seven hundred forty-two thousand, two hundred eleven", and thus it is an iban number.