722879805 has 16 divisors (see below), whose sum is σ = 1169605440. Its totient is φ = 381203328.

The previous prime is 722879779. The next prime is 722879819. The reversal of 722879805 is 508978227.

722879805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722879805 - 2⁹ = 722879293 is a prime.

It is a congruent number.

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, 269407 + ... + 272076.

It is an arithmetic number, because the mean of its divisors is an integer number (73100340).

Almost surely, 2^722879805 is an apocalyptic number.

It is an amenable number.

722879805 is a deficient number, since it is larger than the sum of its proper divisors (446725635).

722879805 is a wasteful number, since it uses less digits than its factorization.

722879805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541580.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 722879805 is about 26886.4241765245. The cubic root of 722879805 is about 897.4743200211.

The spelling of 722879805 in words is "seven hundred twenty-two million, eight hundred seventy-nine thousand, eight hundred five".