742210211 has 2 divisors, whose sum is σ = 742210212. Its totient is φ = 742210210.

The previous prime is 742210187. The next prime is 742210247. The reversal of 742210211 is 112012247.

It is a weak prime.

It is an emirp because it is prime and its reverse (112012247) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742210211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742210111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371105105 + 371105106.

It is an arithmetic number, because the mean of its divisors is an integer number (371105106).

Almost surely, 2^742210211 is an apocalyptic number.

742210211 is a deficient number, since it is larger than the sum of its proper divisors (1).

742210211 is an equidigital number, since it uses as much as digits as its factorization.

742210211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 742210211 is about 27243.5352147991. The cubic root of 742210211 is about 905.4037903859.

Adding to 742210211 its reverse (112012247), we get a palindrome (854222458).

The spelling of 742210211 in words is "seven hundred forty-two million, two hundred ten thousand, two hundred eleven".