67842011 has 4 divisors (see below), whose sum is σ = 68034552. Its totient is φ = 67649472.

The previous prime is 67841999. The next prime is 67842013. The reversal of 67842011 is 11024876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67842011 - 2¹⁴ = 67825627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67842013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95741 + ... + 96446.

It is an arithmetic number, because the mean of its divisors is an integer number (17008638).

Almost surely, 2^67842011 is an apocalyptic number.

67842011 is a deficient number, since it is larger than the sum of its proper divisors (192541).

67842011 is a wasteful number, since it uses less digits than its factorization.

67842011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192540.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 67842011 is about 8236.6261903767. The cubic root of 67842011 is about 407.8491588846.

Adding to 67842011 its reverse (11024876), we get a palindrome (78866887).

The spelling of 67842011 in words is "sixty-seven million, eight hundred forty-two thousand, eleven".