67656141 has 40 divisors (see below), whose sum is σ = 122316480. Its totient is φ = 36381312.

The previous prime is 67656139. The next prime is 67656187. The reversal of 67656141 is 14165676.

It is not a de Polignac number, because 67656141 - 2¹ = 67656139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 67656096 and 67656105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67656241) 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 39 ways as a sum of consecutive naturals, for example, 6130 + ... + 13148.

It is an arithmetic number, because the mean of its divisors is an integer number (3057912).

Almost surely, 2^67656141 is an apocalyptic number.

It is an amenable number.

67656141 is a deficient number, since it is larger than the sum of its proper divisors (54660339).

67656141 is a wasteful number, since it uses less digits than its factorization.

67656141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055 (or 7046 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 67656141 is about 8225.3353123140. The cubic root of 67656141 is about 407.4763502654.

The spelling of 67656141 in words is "sixty-seven million, six hundred fifty-six thousand, one hundred forty-one".