725470 has 8 divisors (see below), whose sum is σ = 1305864. Its totient is φ = 290184.

The previous prime is 725449. The next prime is 725479. The reversal of 725470 is 74527.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725479) by changing a digit.

725470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 36264 + ... + 36283.

It is an arithmetic number, because the mean of its divisors is an integer number (163233).

2⁷²⁵⁴⁷⁰ is an apocalyptic number.

725470 is a deficient number, since it is larger than the sum of its proper divisors (580394).

725470 is a wasteful number, since it uses less digits than its factorization.

725470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72554.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 725470 is about 851.7452670840. The cubic root of 725470 is about 89.8544974037.

Adding to 725470 its reverse (74527), we get a palindrome (799997).

The spelling of 725470 in words is "seven hundred twenty-five thousand, four hundred seventy".