723725 has 6 divisors (see below), whose sum is σ = 897450. Its totient is φ = 578960.

The previous prime is 723721. The next prime is 723727. The reversal of 723725 is 527327.

It can be written as a sum of positive squares in 3 ways, for example, as 232324 + 491401 = 482^2 + 701^2 .

It is not a de Polignac number, because 723725 - 2² = 723721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 723694 and 723703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14450 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (149575).

2⁷²³⁷²⁵ is an apocalyptic number.

It is an amenable number.

723725 is a deficient number, since it is larger than the sum of its proper divisors (173725).

723725 is a wasteful number, since it uses less digits than its factorization.

723725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28959 (or 28954 counting only the distinct ones).

The product of its digits is 2940, while the sum is 26.

The square root of 723725 is about 850.7202830543. The cubic root of 723725 is about 89.7823961075.

It can be divided in two parts, 7 and 23725, that added together give a palindrome (23732).

The spelling of 723725 in words is "seven hundred twenty-three thousand, seven hundred twenty-five".