723390072 has 16 divisors (see below), whose sum is σ = 1808475240. Its totient is φ = 241130016.

The previous prime is 723390067. The next prime is 723390133. The reversal of 723390072 is 270093327.

723390072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15070603 + ... + 15070650.

Almost surely, 2^723390072 is an apocalyptic number.

It is an amenable number.

723390072 is an abundant number, since it is smaller than the sum of its proper divisors (1085085168).

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

723390072 is a wasteful number, since it uses less digits than its factorization.

723390072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30141262 (or 30141258 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 723390072 is about 26895.9118083028. The cubic root of 723390072 is about 897.6854403276.

The spelling of 723390072 in words is "seven hundred twenty-three million, three hundred ninety thousand, seventy-two".