67871411 has 4 divisors (see below), whose sum is σ = 68170632. Its totient is φ = 67572192.

The previous prime is 67871393. The next prime is 67871449. The reversal of 67871411 is 11417876.

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 67871411 - 2⁶ = 67871347 is a prime.

It is a super-2 number, since 2×67871411² = 9213056862261842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67871911) 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, 149270 + ... + 149723.

It is an arithmetic number, because the mean of its divisors is an integer number (17042658).

Almost surely, 2^67871411 is an apocalyptic number.

67871411 is a deficient number, since it is larger than the sum of its proper divisors (299221).

67871411 is a wasteful number, since it uses less digits than its factorization.

67871411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299220.

The product of its digits is 9408, while the sum is 35.

The square root of 67871411 is about 8238.4107083830. The cubic root of 67871411 is about 407.9080655189.

The spelling of 67871411 in words is "sixty-seven million, eight hundred seventy-one thousand, four hundred eleven".