67671256 has 16 divisors (see below), whose sum is σ = 127015200. Its totient is φ = 33800544.

The previous prime is 67671209. The next prime is 67671257. The reversal of 67671256 is 65217676.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67671257) 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, 4990 + ... + 12658.

It is an arithmetic number, because the mean of its divisors is an integer number (7938450).

Almost surely, 2^67671256 is an apocalyptic number.

It is an amenable number.

67671256 is a deficient number, since it is larger than the sum of its proper divisors (59343944).

67671256 is a wasteful number, since it uses less digits than its factorization.

67671256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778 (or 8774 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 67671256 is about 8226.2540685296. The cubic root of 67671256 is about 407.5066926523.

The spelling of 67671256 in words is "sixty-seven million, six hundred seventy-one thousand, two hundred fifty-six".