723082 has 4 divisors (see below), whose sum is σ = 1084626. Its totient is φ = 361540.

The previous prime is 723071. The next prime is 723089. The reversal of 723082 is 280327.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 638401 + 84681 = 799^2 + 291^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (723089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180769 + ... + 180772.

2⁷²³⁰⁸² is an apocalyptic number.

723082 is a deficient number, since it is larger than the sum of its proper divisors (361544).

723082 is a wasteful number, since it uses less digits than its factorization.

723082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361543.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 723082 is about 850.3422840245. The cubic root of 723082 is about 89.7557989027.

The spelling of 723082 in words is "seven hundred twenty-three thousand, eighty-two".