727746223 has 4 divisors (see below), whose sum is σ = 728379648. Its totient is φ = 727112800.

The previous prime is 727746211. The next prime is 727746259. The reversal of 727746223 is 322647727.

727746223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 727746223 - 2²⁵ = 694191791 is a prime.

It is a super-2 number, since 2×727746223² = 1059229130181531458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727746323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314986 + ... + 317287.

It is an arithmetic number, because the mean of its divisors is an integer number (182094912).

Almost surely, 2^727746223 is an apocalyptic number.

727746223 is a deficient number, since it is larger than the sum of its proper divisors (633425).

727746223 is a wasteful number, since it uses less digits than its factorization.

727746223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633424.

The product of its digits is 197568, while the sum is 40.

The square root of 727746223 is about 26976.7719158538. The cubic root of 727746223 is about 899.4837463125.

The spelling of 727746223 in words is "seven hundred twenty-seven million, seven hundred forty-six thousand, two hundred twenty-three".