726265563 has 8 divisors (see below), whose sum is σ = 994525968. Its totient is φ = 471091104.

The previous prime is 726265541. The next prime is 726265567. The reversal of 726265563 is 365562627.

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

It is not a de Polignac number, because 726265563 - 2⁶ = 726265499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726265567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271356 + ... + 3271577.

It is an arithmetic number, because the mean of its divisors is an integer number (124315746).

Almost surely, 2^726265563 is an apocalyptic number.

726265563 is a deficient number, since it is larger than the sum of its proper divisors (268260405).

726265563 is a wasteful number, since it uses less digits than its factorization.

726265563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542973.

The product of its digits is 453600, while the sum is 42.

The square root of 726265563 is about 26949.3147037174. The cubic root of 726265563 is about 898.8733073878.

The spelling of 726265563 in words is "seven hundred twenty-six million, two hundred sixty-five thousand, five hundred sixty-three".