720795 has 16 divisors (see below), whose sum is σ = 1193760. Its totient is φ = 370944.

The previous prime is 720793. The next prime is 720829. The reversal of 720795 is 597027.

720795 = T₁₈ + T₁₉ + ... + T₁₆₂.

It is a happy number.

It is not a de Polignac number, because 720795 - 2¹ = 720793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (74610).

2⁷²⁰⁷⁹⁵ is an apocalyptic number.

720795 is a deficient number, since it is larger than the sum of its proper divisors (472965).

720795 is a wasteful number, since it uses less digits than its factorization.

720795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 720795 is about 848.9964664237. The cubic root of 720795 is about 89.6610709154.

It can be divided in two parts, 7 and 20795, that added together give a palindrome (20802).

The spelling of 720795 in words is "seven hundred twenty thousand, seven hundred ninety-five".