71434211 has 2 divisors, whose sum is σ = 71434212. Its totient is φ = 71434210.

The previous prime is 71434201. The next prime is 71434217. The reversal of 71434211 is 11243417.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71434211 - 2⁶ = 71434147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71434217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35717105 + 35717106.

It is an arithmetic number, because the mean of its divisors is an integer number (35717106).

Almost surely, 2^71434211 is an apocalyptic number.

71434211 is a deficient number, since it is larger than the sum of its proper divisors (1).

71434211 is an equidigital number, since it uses as much as digits as its factorization.

71434211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 71434211 is about 8451.8761822450. The cubic root of 71434211 is about 414.9241860831.

Adding to 71434211 its reverse (11243417), we get a palindrome (82677628).

The spelling of 71434211 in words is "seventy-one million, four hundred thirty-four thousand, two hundred eleven".