67270223 has 2 divisors, whose sum is σ = 67270224. Its totient is φ = 67270222.

The previous prime is 67270219. The next prime is 67270237. The reversal of 67270223 is 32207276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67270223 - 2² = 67270219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67270213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33635111 + 33635112.

It is an arithmetic number, because the mean of its divisors is an integer number (33635112).

Almost surely, 2^67270223 is an apocalyptic number.

67270223 is a deficient number, since it is larger than the sum of its proper divisors (1).

67270223 is an equidigital number, since it uses as much as digits as its factorization.

67270223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 67270223 is about 8201.8426588176. The cubic root of 67270223 is about 406.7001093015.

Adding to 67270223 its reverse (32207276), we get a palindrome (99477499).

The spelling of 67270223 in words is "sixty-seven million, two hundred seventy thousand, two hundred twenty-three".