67013871 has 8 divisors (see below), whose sum is σ = 89483904. Its totient is φ = 44609880.

The previous prime is 67013861. The next prime is 67013879. The reversal of 67013871 is 17831076.

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

It is not a de Polignac number, because 67013871 - 2¹⁴ = 66997487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67013879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14091 + ... + 18236.

It is an arithmetic number, because the mean of its divisors is an integer number (11185488).

Almost surely, 2^67013871 is an apocalyptic number.

67013871 is a deficient number, since it is larger than the sum of its proper divisors (22470033).

67013871 is a wasteful number, since it uses less digits than its factorization.

67013871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33021.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 67013871 is about 8186.2000342039. The cubic root of 67013871 is about 406.1828368338.

It can be divided in two parts, 670 and 13871, that added together give a palindrome (14541).

The spelling of 67013871 in words is "sixty-seven million, thirteen thousand, eight hundred seventy-one".