747229 has 4 divisors (see below), whose sum is σ = 853984. Its totient is φ = 640476.

The previous prime is 747223. The next prime is 747239. The reversal of 747229 is 922747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 747229 - 2¹¹ = 745181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 747229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747223) 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 in 3 ways as a sum of consecutive naturals, for example, 53367 + ... + 53380.

It is an arithmetic number, because the mean of its divisors is an integer number (213496).

2⁷⁴⁷²²⁹ is an apocalyptic number.

It is an amenable number.

747229 is a deficient number, since it is larger than the sum of its proper divisors (106755).

747229 is a wasteful number, since it uses less digits than its factorization.

747229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106754.

The product of its digits is 7056, while the sum is 31.

The square root of 747229 is about 864.4240857357. The cubic root of 747229 is about 90.7439973060.

The spelling of 747229 in words is "seven hundred forty-seven thousand, two hundred twenty-nine".