726053505 has 16 divisors (see below), whose sum is σ = 1162244160. Its totient is φ = 387042368.

The previous prime is 726053491. The next prime is 726053507. The reversal of 726053505 is 505350627.

It is a cyclic number.

It is not a de Polignac number, because 726053505 - 2⁸ = 726053249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (726053507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24154 + ... + 45116.

It is an arithmetic number, because the mean of its divisors is an integer number (72640260).

Almost surely, 2^726053505 is an apocalyptic number.

It is an amenable number.

726053505 is a deficient number, since it is larger than the sum of its proper divisors (436190655).

726053505 is a wasteful number, since it uses less digits than its factorization.

726053505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23280.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 726053505 is about 26945.3800307214. The cubic root of 726053505 is about 898.7858132991.

The spelling of 726053505 in words is "seven hundred twenty-six million, fifty-three thousand, five hundred five".