723665484 has 36 divisors (see below), whose sum is σ = 1843241400. Its totient is φ = 239378880.

The previous prime is 723665443. The next prime is 723665489. The reversal of 723665484 is 484566327.

723665484 is a `hidden beast` number, since 72 + 36 + 6 + 548 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (723665489) 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 11 ways as a sum of consecutive naturals, for example, 72009 + ... + 81440.

It is an arithmetic number, because the mean of its divisors is an integer number (51201150).

Almost surely, 2^723665484 is an apocalyptic number.

It is an amenable number.

723665484 is an abundant number, since it is smaller than the sum of its proper divisors (1119575916).

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

723665484 is a wasteful number, since it uses less digits than its factorization.

723665484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153590 (or 153585 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 723665484 is about 26901.0312813468. The cubic root of 723665484 is about 897.7993493525.

The spelling of 723665484 in words is "seven hundred twenty-three million, six hundred sixty-five thousand, four hundred eighty-four".