723088 has 20 divisors (see below), whose sum is σ = 1434928. Its totient is φ = 352800.

The previous prime is 723071. The next prime is 723089. The reversal of 723088 is 880327.

It is a happy number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 1213.

2⁷²³⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

723088 is a deficient number, since it is larger than the sum of its proper divisors (711840).

723088 is a wasteful number, since it uses less digits than its factorization.

723088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 723088 is about 850.3458120083. The cubic root of 723088 is about 89.7560471610.

It can be divided in two parts, 72 and 3088, that added together give a triangular number (3160 = T₇₉).

The spelling of 723088 in words is "seven hundred twenty-three thousand, eighty-eight".