67945385 has 8 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 54070960.

The previous prime is 67945373. The next prime is 67945421. The reversal of 67945385 is 58354976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67945385 - 2⁴ = 67945369 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 34619 + ... + 36528.

It is an arithmetic number, because the mean of its divisors is an integer number (10245312).

Almost surely, 2^67945385 is an apocalyptic number.

It is an amenable number.

67945385 is a deficient number, since it is larger than the sum of its proper divisors (14017111).

67945385 is a wasteful number, since it uses less digits than its factorization.

67945385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71343.

The product of its digits is 907200, while the sum is 47.

The square root of 67945385 is about 8242.8990652561. The cubic root of 67945385 is about 408.0562066132.

It can be divided in two parts, 679 and 45385, that added together give a palindrome (46064).

The spelling of 67945385 in words is "sixty-seven million, nine hundred forty-five thousand, three hundred eighty-five".