727243306 has 8 divisors (see below), whose sum is σ = 1155033540. Its totient is φ = 342232128.

The previous prime is 727243303. The next prime is 727243327. The reversal of 727243306 is 603342727.

It is a happy number.

727243306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 726787681 + 455625 = 26959^2 + 675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×727243306² = 1057765652243619272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 21389509 = 727243306 / (7 + 2 + 7 + 2 + 4 + 3 + 3 + 0 + 6).

It is not an unprimeable number, because it can be changed into a prime (727243303) 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, 10694721 + ... + 10694788.

Almost surely, 2^727243306 is an apocalyptic number.

727243306 is a deficient number, since it is larger than the sum of its proper divisors (427790234).

727243306 is a wasteful number, since it uses less digits than its factorization.

727243306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21389528.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 727243306 is about 26967.4490080171. The cubic root of 727243306 is about 899.2764991994.

The spelling of 727243306 in words is "seven hundred twenty-seven million, two hundred forty-three thousand, three hundred six".