725701 has 4 divisors (see below), whose sum is σ = 729100. Its totient is φ = 722304.

The previous prime is 725687. The next prime is 725723. The reversal of 725701 is 107527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107527 = 7 ⋅15361.

It can be written as a sum of positive squares in 2 ways, for example, as 641601 + 84100 = 801^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 725701 - 2⁹ = 725189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (182275).

2⁷²⁵⁷⁰¹ is an apocalyptic number.

It is an amenable number.

725701 is a deficient number, since it is larger than the sum of its proper divisors (3399).

725701 is a wasteful number, since it uses less digits than its factorization.

725701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 725701 is about 851.8808602146. The cubic root of 725701 is about 89.8640333763.

The spelling of 725701 in words is "seven hundred twenty-five thousand, seven hundred one".