67223645 has 8 divisors (see below), whose sum is σ = 81164256. Its totient is φ = 53448336.

The previous prime is 67223633. The next prime is 67223669. The reversal of 67223645 is 54632276.

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 67223645 - 2²⁰ = 66175069 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, 40427 + ... + 42056.

It is an arithmetic number, because the mean of its divisors is an integer number (10145532).

Almost surely, 2^67223645 is an apocalyptic number.

It is an amenable number.

67223645 is a deficient number, since it is larger than the sum of its proper divisors (13940611).

67223645 is a wasteful number, since it uses less digits than its factorization.

67223645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82651.

The product of its digits is 60480, while the sum is 35.

The square root of 67223645 is about 8199.0026832536. The cubic root of 67223645 is about 406.6062210468.

The spelling of 67223645 in words is "sixty-seven million, two hundred twenty-three thousand, six hundred forty-five".