747223 has 2 divisors, whose sum is σ = 747224. Its totient is φ = 747222.

The previous prime is 747203. The next prime is 747239. The reversal of 747223 is 322747.

It is a strong prime.

It is an emirp because it is prime and its reverse (322747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747223 - 2¹³ = 739031 is a prime.

747223 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373611 + 373612.

It is an arithmetic number, because the mean of its divisors is an integer number (373612).

2⁷⁴⁷²²³ is an apocalyptic number.

747223 is a deficient number, since it is larger than the sum of its proper divisors (1).

747223 is an equidigital number, since it uses as much as digits as its factorization.

747223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 25.

The square root of 747223 is about 864.4206152100. The cubic root of 747223 is about 90.7437544240.

The spelling of 747223 in words is "seven hundred forty-seven thousand, two hundred twenty-three", and thus it is an iban number.