73729223 has 16 divisors (see below), whose sum is σ = 77976000. Its totient is φ = 69619200.

The previous prime is 73729217. The next prime is 73729231. The reversal of 73729223 is 32292737.

It is a cyclic number.

It is not a de Polignac number, because 73729223 - 2²² = 69534919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73729213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488198 + ... + 488348.

It is an arithmetic number, because the mean of its divisors is an integer number (4873500).

Almost surely, 2^73729223 is an apocalyptic number.

73729223 is a deficient number, since it is larger than the sum of its proper divisors (4246777).

73729223 is a wasteful number, since it uses less digits than its factorization.

73729223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its digits is 31752, while the sum is 35.

The square root of 73729223 is about 8586.5722497397. The cubic root of 73729223 is about 419.3209416129.

The spelling of 73729223 in words is "seventy-three million, seven hundred twenty-nine thousand, two hundred twenty-three".