723265 has 16 divisors (see below), whose sum is σ = 940032. Its totient is φ = 532224.

The previous prime is 723263. The next prime is 723269. The reversal of 723265 is 562327.

It is a cyclic number.

It is not a de Polignac number, because 723265 - 2¹ = 723263 is a prime.

It is a super-2 number, since 2×723265² = 1046224520450, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 723265.

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 15 ways as a sum of consecutive naturals, for example, 5632 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁷²³²⁶⁵ is an apocalyptic number.

It is an amenable number.

723265 is a deficient number, since it is larger than the sum of its proper divisors (216767).

723265 is a wasteful number, since it uses less digits than its factorization.

723265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its digits is 2520, while the sum is 25.

The square root of 723265 is about 850.4498809454. The cubic root of 723265 is about 89.7633701628.

The spelling of 723265 in words is "seven hundred twenty-three thousand, two hundred sixty-five".