725223773 has 4 divisors (see below), whose sum is σ = 725404800. Its totient is φ = 725042748.

The previous prime is 725223679. The next prime is 725223803. The reversal of 725223773 is 377322527.

725223773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-725223773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725223073) 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, 84365 + ... + 92562.

It is an arithmetic number, because the mean of its divisors is an integer number (181351200).

Almost surely, 2^725223773 is an apocalyptic number.

It is an amenable number.

725223773 is a deficient number, since it is larger than the sum of its proper divisors (181027).

725223773 is a wasteful number, since it uses less digits than its factorization.

725223773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181026.

The product of its digits is 123480, while the sum is 38.

The square root of 725223773 is about 26929.9790753725. The cubic root of 725223773 is about 898.4433061208.

The spelling of 725223773 in words is "seven hundred twenty-five million, two hundred twenty-three thousand, seven hundred seventy-three".