67842271 has 8 divisors (see below), whose sum is σ = 78848640. Its totient is φ = 57164568.

The previous prime is 67842259. The next prime is 67842283. The reversal of 67842271 is 17224876.

It is an interprime number because it is at equal distance from previous prime (67842259) and next prime (67842283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67842271 - 2¹⁵ = 67809503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67842271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67842241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81721 + ... + 82546.

It is an arithmetic number, because the mean of its divisors is an integer number (9856080).

Almost surely, 2^67842271 is an apocalyptic number.

67842271 is a deficient number, since it is larger than the sum of its proper divisors (11006369).

67842271 is a wasteful number, since it uses less digits than its factorization.

67842271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164333.

The product of its digits is 37632, while the sum is 37.

The square root of 67842271 is about 8236.6419735229. The cubic root of 67842271 is about 407.8496799022.

The spelling of 67842271 in words is "sixty-seven million, eight hundred forty-two thousand, two hundred seventy-one".