726031063 has 4 divisors (see below), whose sum is σ = 735976768. Its totient is φ = 716085360.

The previous prime is 726031039. The next prime is 726031069. The reversal of 726031063 is 360130627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360130627 = 31 ⋅11617117.

It is a cyclic number.

It is not a de Polignac number, because 726031063 - 2⁹ = 726030551 is a prime.

It is a super-2 number, since 2×726031063² = 1054242208881819938, 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 (726031069) 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 3 ways as a sum of consecutive naturals, for example, 4972743 + ... + 4972888.

It is an arithmetic number, because the mean of its divisors is an integer number (183994192).

Almost surely, 2^726031063 is an apocalyptic number.

726031063 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

726031063 is a deficient number, since it is larger than the sum of its proper divisors (9945705).

726031063 is an equidigital number, since it uses as much as digits as its factorization.

726031063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945704.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 726031063 is about 26944.9635924787. The cubic root of 726031063 is about 898.7765528433.

The spelling of 726031063 in words is "seven hundred twenty-six million, thirty-one thousand, sixty-three".