725603843 has 8 divisors (see below), whose sum is σ = 772312320. Its totient is φ = 679342720.

The previous prime is 725603821. The next prime is 725603869. The reversal of 725603843 is 348306527.

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

It is a cyclic number.

It is not a de Polignac number, because 725603843 - 2⁶ = 725603779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725603797 and 725603806.

It is not an unprimeable number, because it can be changed into a prime (725603873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108488 + ... + 114981.

It is an arithmetic number, because the mean of its divisors is an integer number (96539040).

Almost surely, 2^725603843 is an apocalyptic number.

725603843 is a deficient number, since it is larger than the sum of its proper divisors (46708477).

725603843 is a wasteful number, since it uses less digits than its factorization.

725603843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223677.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 725603843 is about 26937.0347848459. The cubic root of 725603843 is about 898.6002285887.

The spelling of 725603843 in words is "seven hundred twenty-five million, six hundred three thousand, eight hundred forty-three".