722073236 has 12 divisors (see below), whose sum is σ = 1275438528. Its totient is φ = 357662232.

The previous prime is 722073229. The next prime is 722073259. The reversal of 722073236 is 632370227.

722073236 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, 843116 + ... + 843971.

It is an arithmetic number, because the mean of its divisors is an integer number (106286544).

Almost surely, 2^722073236 is an apocalyptic number.

It is an amenable number.

722073236 is a deficient number, since it is larger than the sum of its proper divisors (553365292).

722073236 is a wasteful number, since it uses less digits than its factorization.

722073236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687198 (or 1687196 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 722073236 is about 26871.4204313803. The cubic root of 722073236 is about 897.1404035787.

The spelling of 722073236 in words is "seven hundred twenty-two million, seventy-three thousand, two hundred thirty-six".