74020223 has 2 divisors, whose sum is σ = 74020224. Its totient is φ = 74020222.

The previous prime is 74020213. The next prime is 74020237. The reversal of 74020223 is 32202047.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74020223 - 2⁴ = 74020207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74020195 and 74020204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37010111 + 37010112.

It is an arithmetic number, because the mean of its divisors is an integer number (37010112).

Almost surely, 2^74020223 is an apocalyptic number.

74020223 is a deficient number, since it is larger than the sum of its proper divisors (1).

74020223 is an equidigital number, since it uses as much as digits as its factorization.

74020223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 74020223 is about 8603.5006247457. The cubic root of 74020223 is about 419.8718864732.

The spelling of 74020223 in words is "seventy-four million, twenty thousand, two hundred twenty-three".