67142011 has 2 divisors, whose sum is σ = 67142012. Its totient is φ = 67142010.

The previous prime is 67141967. The next prime is 67142041. The reversal of 67142011 is 11024176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67142011 - 2⁷ = 67141883 is a prime.

It is a super-2 number, since 2×67142011² = 9016099282248242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67142041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33571005 + 33571006.

It is an arithmetic number, because the mean of its divisors is an integer number (33571006).

Almost surely, 2^67142011 is an apocalyptic number.

67142011 is a deficient number, since it is larger than the sum of its proper divisors (1).

67142011 is an equidigital number, since it uses as much as digits as its factorization.

67142011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 67142011 is about 8194.0228825651. The cubic root of 67142011 is about 406.4415650074.

Adding to 67142011 its reverse (11024176), we get a palindrome (78166187).

The spelling of 67142011 in words is "sixty-seven million, one hundred forty-two thousand, eleven".