67427385 has 16 divisors (see below), whose sum is σ = 108319680. Its totient is φ = 35816000.

The previous prime is 67427377. The next prime is 67427401. The reversal of 67427385 is 58372476.

It is not a de Polignac number, because 67427385 - 2³ = 67427377 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5190 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (6769980).

Almost surely, 2^67427385 is an apocalyptic number.

It is an amenable number.

67427385 is a deficient number, since it is larger than the sum of its proper divisors (40892295).

67427385 is a wasteful number, since it uses less digits than its factorization.

67427385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168.

The product of its digits is 282240, while the sum is 42.

The square root of 67427385 is about 8211.4179652481. The cubic root of 67427385 is about 407.0165845939.

The spelling of 67427385 in words is "sixty-seven million, four hundred twenty-seven thousand, three hundred eighty-five".