723704 has 16 divisors (see below), whose sum is σ = 1380120. Its totient is φ = 355680.

The previous prime is 723661. The next prime is 723721. The reversal of 723704 is 407327.

723704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 723704.

It is a congruent number.

It is an unprimeable number.

723704 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 3 ways as a sum of consecutive naturals, for example, 254 + ... + 1229.

2⁷²³⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

723704 is a deficient number, since it is larger than the sum of its proper divisors (656416).

723704 is a wasteful number, since it uses less digits than its factorization.

723704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 723704 is about 850.7079404825. The cubic root of 723704 is about 89.7815277074.

The spelling of 723704 in words is "seven hundred twenty-three thousand, seven hundred four", and thus it is an iban number.