725472385 has 32 divisors (see below), whose sum is σ = 983531520. Its totient is φ = 508939200.

The previous prime is 725472379. The next prime is 725472493. The reversal of 725472385 is 583274527.

725472385 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 725472385 - 2⁷ = 725472257 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 31 ways as a sum of consecutive naturals, for example, 788956 + ... + 789874.

It is an arithmetic number, because the mean of its divisors is an integer number (30735360).

Almost surely, 2^725472385 is an apocalyptic number.

It is an amenable number.

725472385 is a deficient number, since it is larger than the sum of its proper divisors (258059135).

725472385 is a wasteful number, since it uses less digits than its factorization.

725472385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its digits is 470400, while the sum is 43.

The square root of 725472385 is about 26934.5945764921. The cubic root of 725472385 is about 898.5459586982.

The spelling of 725472385 in words is "seven hundred twenty-five million, four hundred seventy-two thousand, three hundred eighty-five".