723701 has 6 divisors (see below), whose sum is σ = 795606. Its totient is φ = 657800.

The previous prime is 723661. The next prime is 723721. The reversal of 723701 is 107327.

723701 = 9² + 10² + ... + 129².

It can be written as a sum of positive squares in only one way, i.e., 421201 + 302500 = 649^2 + 550^2 .

It is a de Polignac number, because none of the positive numbers 2^k-723701 is a prime.

It is a Duffinian number.

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 723701.

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

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 5 ways as a sum of consecutive naturals, for example, 2870 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (132601).

2⁷²³⁷⁰¹ is an apocalyptic number.

It is an amenable number.

723701 is a deficient number, since it is larger than the sum of its proper divisors (71905).

723701 is a wasteful number, since it uses less digits than its factorization.

723701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003 (or 5992 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 723701 is about 850.7061772434. The cubic root of 723701 is about 89.7814036488.

It can be divided in two parts, 72 and 3701, that added together give a palindrome (3773).

The spelling of 723701 in words is "seven hundred twenty-three thousand, seven hundred one", and thus it is an iban number.