67384645 has 8 divisors (see below), whose sum is σ = 80931456. Its totient is φ = 53861136.

The previous prime is 67384631. The next prime is 67384663. The reversal of 67384645 is 54648376.

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

It is a cyclic number.

It is not a de Polignac number, because 67384645 - 2⁷ = 67384517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (10116432).

Almost surely, 2^67384645 is an apocalyptic number.

It is an amenable number.

67384645 is a deficient number, since it is larger than the sum of its proper divisors (13546811).

67384645 is a wasteful number, since it uses less digits than its factorization.

67384645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651.

The product of its digits is 483840, while the sum is 43.

The square root of 67384645 is about 8208.8150789258. The cubic root of 67384645 is about 406.9305682783.

The spelling of 67384645 in words is "sixty-seven million, three hundred eighty-four thousand, six hundred forty-five".