67143601 has 16 divisors (see below), whose sum is σ = 81100800. Its totient is φ = 54342288.

The previous prime is 67143599. The next prime is 67143617. The reversal of 67143601 is 10634176.

It is not a de Polignac number, because 67143601 - 2¹ = 67143599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67143601.

It is not an unprimeable number, because it can be changed into a prime (67143631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10080 + ... + 15358.

It is an arithmetic number, because the mean of its divisors is an integer number (5068800).

Almost surely, 2^67143601 is an apocalyptic number.

It is an amenable number.

67143601 is a deficient number, since it is larger than the sum of its proper divisors (13957199).

67143601 is a wasteful number, since it uses less digits than its factorization.

67143601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 67143601 is about 8194.1199039311. The cubic root of 67143601 is about 406.4447733166. Note that the first 3 decimals are identical.

Adding to 67143601 its reverse (10634176), we get a palindrome (77777777).

The spelling of 67143601 in words is "sixty-seven million, one hundred forty-three thousand, six hundred one".