67790223 has 32 divisors (see below), whose sum is σ = 105569280. Its totient is φ = 42910560.

The previous prime is 67790213. The next prime is 67790227. The reversal of 67790223 is 32209776.

It is not a de Polignac number, because 67790223 - 2⁶ = 67790159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67790227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107118 + ... + 107748.

It is an arithmetic number, because the mean of its divisors is an integer number (3299040).

Almost surely, 2^67790223 is an apocalyptic number.

67790223 is a deficient number, since it is larger than the sum of its proper divisors (37779057).

67790223 is a wasteful number, since it uses less digits than its factorization.

67790223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 67790223 is about 8233.4818272709. The cubic root of 67790223 is about 407.7453536431.

Adding to 67790223 its reverse (32209776), we get a palindrome (99999999).

The spelling of 67790223 in words is "sixty-seven million, seven hundred ninety thousand, two hundred twenty-three".