725270 has 32 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 229248.

The previous prime is 725209. The next prime is 725273. The reversal of 725270 is 72527.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725270.

It is not an unprimeable number, because it can be changed into a prime (725273) by changing a digit.

725270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2⁷²⁵²⁷⁰ is an apocalyptic number.

725270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

725270 is an abundant number, since it is smaller than the sum of its proper divisors (883498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725270 is a wasteful number, since it uses less digits than its factorization.

725270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 725270 is about 851.6278529968. The cubic root of 725270 is about 89.8462395151.

Adding to 725270 its reverse (72527), we get a palindrome (797797).

The spelling of 725270 in words is "seven hundred twenty-five thousand, two hundred seventy".