726566366 has 16 divisors (see below), whose sum is σ = 1204131744. Its totient is φ = 327047424.

The previous prime is 726566353. The next prime is 726566369. The reversal of 726566366 is 663665627.

It is a self number, because there is not a number n which added to its sum of digits gives 726566366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726566369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463775 + ... + 465338.

It is an arithmetic number, because the mean of its divisors is an integer number (75258234).

Almost surely, 2^726566366 is an apocalyptic number.

726566366 is a deficient number, since it is larger than the sum of its proper divisors (477565378).

726566366 is a wasteful number, since it uses less digits than its factorization.

726566366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929155.

The product of its digits is 1632960, while the sum is 47.

The square root of 726566366 is about 26954.8950285472. The cubic root of 726566366 is about 898.9973880184.

The spelling of 726566366 in words is "seven hundred twenty-six million, five hundred sixty-six thousand, three hundred sixty-six".