729079223 has 2 divisors, whose sum is σ = 729079224. Its totient is φ = 729079222.

The previous prime is 729079199. The next prime is 729079249. The reversal of 729079223 is 322970927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729079223 - 2⁸ = 729078967 is a prime.

It is a super-3 number, since 3×729079223³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729079523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364539611 + 364539612.

It is an arithmetic number, because the mean of its divisors is an integer number (364539612).

Almost surely, 2^729079223 is an apocalyptic number.

729079223 is a deficient number, since it is larger than the sum of its proper divisors (1).

729079223 is an equidigital number, since it uses as much as digits as its factorization.

729079223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 729079223 is about 27001.4670527362. The cubic root of 729079223 is about 900.0326008767.

The spelling of 729079223 in words is "seven hundred twenty-nine million, seventy-nine thousand, two hundred twenty-three".