67671227 has 4 divisors (see below), whose sum is σ = 72876720. Its totient is φ = 62465736.

The previous prime is 67671209. The next prime is 67671257. The reversal of 67671227 is 72217676.

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 67671227 - 2⁸ = 67670971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67671257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602727 + ... + 2602752.

It is an arithmetic number, because the mean of its divisors is an integer number (18219180).

Almost surely, 2^67671227 is an apocalyptic number.

67671227 is a deficient number, since it is larger than the sum of its proper divisors (5205493).

67671227 is a wasteful number, since it uses less digits than its factorization.

67671227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205492.

The product of its digits is 49392, while the sum is 38.

The square root of 67671227 is about 8226.2523058802. The cubic root of 67671227 is about 407.5066344410.

The spelling of 67671227 in words is "sixty-seven million, six hundred seventy-one thousand, two hundred twenty-seven".