67028223 has 4 divisors (see below), whose sum is σ = 89370968. Its totient is φ = 44685480.

The previous prime is 67028197. The next prime is 67028239. The reversal of 67028223 is 32282076.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67028223 - 2⁵ = 67028191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67028243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11171368 + ... + 11171373.

It is an arithmetic number, because the mean of its divisors is an integer number (22342742).

Almost surely, 2^67028223 is an apocalyptic number.

67028223 is a deficient number, since it is larger than the sum of its proper divisors (22342745).

67028223 is a wasteful number, since it uses less digits than its factorization.

67028223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22342744.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 67028223 is about 8187.0765844714. The cubic root of 67028223 is about 406.2118314279.

The spelling of 67028223 in words is "sixty-seven million, twenty-eight thousand, two hundred twenty-three".