725718049 has 8 divisors (see below), whose sum is σ = 878179968. Its totient is φ = 585453120.

The previous prime is 725718041. The next prime is 725718073. The reversal of 725718049 is 940817527.

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

It is not a de Polignac number, because 725718049 - 2³ = 725718041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725717996 and 725718014.

It is not an unprimeable number, because it can be changed into a prime (725718041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049117 + ... + 3049354.

It is an arithmetic number, because the mean of its divisors is an integer number (109772496).

Almost surely, 2^725718049 is an apocalyptic number.

It is an amenable number.

725718049 is a deficient number, since it is larger than the sum of its proper divisors (152461919).

725718049 is a wasteful number, since it uses less digits than its factorization.

725718049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098495.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 725718049 is about 26939.1545709957. The cubic root of 725718049 is about 898.6473710044.

The spelling of 725718049 in words is "seven hundred twenty-five million, seven hundred eighteen thousand, forty-nine".