725294345 has 8 divisors (see below), whose sum is σ = 870721920. Its totient is φ = 579989680.

The previous prime is 725294329. The next prime is 725294357. The reversal of 725294345 is 543492527.

725294345 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 not a de Polignac number, because 725294345 - 2⁴ = 725294329 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17201 + ... + 41790.

It is an arithmetic number, because the mean of its divisors is an integer number (108840240).

Almost surely, 2^725294345 is an apocalyptic number.

It is an amenable number.

725294345 is a deficient number, since it is larger than the sum of its proper divisors (145427575).

725294345 is a wasteful number, since it uses less digits than its factorization.

725294345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61455.

The product of its digits is 302400, while the sum is 41.

The square root of 725294345 is about 26931.2893304424. The cubic root of 725294345 is about 898.4724478776.

The spelling of 725294345 in words is "seven hundred twenty-five million, two hundred ninety-four thousand, three hundred forty-five".