725385946 has 8 divisors (see below), whose sum is σ = 1098643104. Its totient is φ = 359171580.

The previous prime is 725385923. The next prime is 725385949. The reversal of 725385946 is 649583527.

725385946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 725385946.

It is not an unprimeable number, because it can be changed into a prime (725385949) 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, 1760440 + ... + 1760851.

It is an arithmetic number, because the mean of its divisors is an integer number (137330388).

Almost surely, 2^725385946 is an apocalyptic number.

725385946 is a deficient number, since it is larger than the sum of its proper divisors (373257158).

725385946 is a wasteful number, since it uses less digits than its factorization.

725385946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521396.

The product of its digits is 1814400, while the sum is 49.

The square root of 725385946 is about 26932.9899194278. The cubic root of 725385946 is about 898.5102704576.

The spelling of 725385946 in words is "seven hundred twenty-five million, three hundred eighty-five thousand, nine hundred forty-six".