725493845 has 16 divisors (see below), whose sum is σ = 878387328. Its totient is φ = 575217600.

The previous prime is 725493823. The next prime is 725493869. The reversal of 725493845 is 548394527.

725493845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725493845 - 2¹⁰ = 725492821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725493845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442367 + ... + 444003.

It is an arithmetic number, because the mean of its divisors is an integer number (54899208).

Almost surely, 2^725493845 is an apocalyptic number.

It is an amenable number.

725493845 is a deficient number, since it is larger than the sum of its proper divisors (152893483).

725493845 is a wasteful number, since it uses less digits than its factorization.

725493845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its digits is 1209600, while the sum is 47.

The square root of 725493845 is about 26934.9929459801. The cubic root of 725493845 is about 898.5548184915.

The spelling of 725493845 in words is "seven hundred twenty-five million, four hundred ninety-three thousand, eight hundred forty-five".