722791140 has 48 divisors (see below), whose sum is σ = 2025196992. Its totient is φ = 192612736.

The previous prime is 722791127. The next prime is 722791183. The reversal of 722791140 is 41197227.

722791140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111262 + ... + 117578.

It is an arithmetic number, because the mean of its divisors is an integer number (42191604).

Almost surely, 2^722791140 is an apocalyptic number.

It is an amenable number.

722791140 is an abundant number, since it is smaller than the sum of its proper divisors (1302405852).

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

722791140 is a wasteful number, since it uses less digits than its factorization.

722791140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236 (or 8234 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 722791140 is about 26884.7752454805. The cubic root of 722791140 is about 897.4376252097.

The spelling of 722791140 in words is "seven hundred twenty-two million, seven hundred ninety-one thousand, one hundred forty".