725773 has 4 divisors (see below), whose sum is σ = 735040. Its totient is φ = 716508.

The previous prime is 725749. The next prime is 725789. The reversal of 725773 is 377527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 725773 - 2¹³ = 717581 is a prime.

It is a Duffinian number.

725773 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4515 + ... + 4672.

It is an arithmetic number, because the mean of its divisors is an integer number (183760).

2⁷²⁵⁷⁷³ is an apocalyptic number.

It is an amenable number.

725773 is a deficient number, since it is larger than the sum of its proper divisors (9267).

725773 is an equidigital number, since it uses as much as digits as its factorization.

725773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266.

The product of its digits is 10290, while the sum is 31.

The square root of 725773 is about 851.9231185970. The cubic root of 725773 is about 89.8670052139.

The spelling of 725773 in words is "seven hundred twenty-five thousand, seven hundred seventy-three".