74305223 has 2 divisors, whose sum is σ = 74305224. Its totient is φ = 74305222.

The previous prime is 74305183. The next prime is 74305271. The reversal of 74305223 is 32250347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74305223 - 2⁶ = 74305159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74305192 and 74305201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74305423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37152611 + 37152612.

It is an arithmetic number, because the mean of its divisors is an integer number (37152612).

Almost surely, 2^74305223 is an apocalyptic number.

74305223 is a deficient number, since it is larger than the sum of its proper divisors (1).

74305223 is an equidigital number, since it uses as much as digits as its factorization.

74305223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 74305223 is about 8620.0477376868. The cubic root of 74305223 is about 420.4100737884.

The spelling of 74305223 in words is "seventy-four million, three hundred five thousand, two hundred twenty-three".