722868733 has 2 divisors, whose sum is σ = 722868734. Its totient is φ = 722868732.

The previous prime is 722868719. The next prime is 722868739. The reversal of 722868733 is 337868227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596238724 + 126630009 = 24418^2 + 11253^2 .

It is a cyclic number.

It is not a de Polignac number, because 722868733 - 2⁹ = 722868221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722868739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361434366 + 361434367.

It is an arithmetic number, because the mean of its divisors is an integer number (361434367).

Almost surely, 2^722868733 is an apocalyptic number.

It is an amenable number.

722868733 is a deficient number, since it is larger than the sum of its proper divisors (1).

722868733 is an equidigital number, since it uses as much as digits as its factorization.

722868733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 722868733 is about 26886.2182725648. The cubic root of 722868733 is about 897.4697379378.

The spelling of 722868733 in words is "seven hundred twenty-two million, eight hundred sixty-eight thousand, seven hundred thirty-three".