723266 has 8 divisors (see below), whose sum is σ = 1095744. Its totient is φ = 358020.

The previous prime is 723263. The next prime is 723269. The reversal of 723266 is 662327.

It is an interprime number because it is at equal distance from previous prime (723263) and next prime (723269).

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

It is a super-2 number, since 2×723266² = 1046227413512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (723263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (136968).

2⁷²³²⁶⁶ is an apocalyptic number.

723266 is a deficient number, since it is larger than the sum of its proper divisors (372478).

723266 is a wasteful number, since it uses less digits than its factorization.

723266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616.

The product of its digits is 3024, while the sum is 26.

The square root of 723266 is about 850.4504688693. The cubic root of 723266 is about 89.7634115323.

It can be divided in two parts, 723 and 266, that added together give a palindrome (989).

The spelling of 723266 in words is "seven hundred twenty-three thousand, two hundred sixty-six".