723275216 has 10 divisors (see below), whose sum is σ = 1401345762. Its totient is φ = 361637600.

The previous prime is 723275131. The next prime is 723275221. The reversal of 723275216 is 612572327.

It can be written as a sum of positive squares in only one way, i.e., 543822400 + 179452816 = 23320^2 + 13396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22602335 + ... + 22602366.

Almost surely, 2^723275216 is an apocalyptic number.

It is an amenable number.

723275216 is a deficient number, since it is larger than the sum of its proper divisors (678070546).

723275216 is a wasteful number, since it uses less digits than its factorization.

723275216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45204709 (or 45204703 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 723275216 is about 26893.7765291526. The cubic root of 723275216 is about 897.6379279180.

The spelling of 723275216 in words is "seven hundred twenty-three million, two hundred seventy-five thousand, two hundred sixteen".