723802 has 4 divisors (see below), whose sum is σ = 1085706. Its totient is φ = 361900.

The previous prime is 723799. The next prime is 723803. The reversal of 723802 is 208327.

It is a happy number.

723802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208327 = 7 ⋅29761.

It can be written as a sum of positive squares in only one way, i.e., 703921 + 19881 = 839^2 + 141^2 .

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 (723803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180949 + ... + 180952.

2⁷²³⁸⁰² is an apocalyptic number.

723802 is a deficient number, since it is larger than the sum of its proper divisors (361904).

723802 is a wasteful number, since it uses less digits than its factorization.

723802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361903.

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

The square root of 723802 is about 850.7655376189. The cubic root of 723802 is about 89.7855800974.

The spelling of 723802 in words is "seven hundred twenty-three thousand, eight hundred two".