722784379 has 2 divisors, whose sum is σ = 722784380. Its totient is φ = 722784378.

The previous prime is 722784347. The next prime is 722784443. The reversal of 722784379 is 973487227.

722784379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722784379 - 2⁵ = 722784347 is a prime.

It is not a weakly prime, because it can be changed into another prime (722784319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361392189 + 361392190.

It is an arithmetic number, because the mean of its divisors is an integer number (361392190).

Almost surely, 2^722784379 is an apocalyptic number.

722784379 is a deficient number, since it is larger than the sum of its proper divisors (1).

722784379 is an equidigital number, since it uses as much as digits as its factorization.

722784379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 49.

The square root of 722784379 is about 26884.6495048755. The cubic root of 722784379 is about 897.4348269856.

The spelling of 722784379 in words is "seven hundred twenty-two million, seven hundred eighty-four thousand, three hundred seventy-nine".