722791943 has 2 divisors, whose sum is σ = 722791944. Its totient is φ = 722791942.

The previous prime is 722791933. The next prime is 722791967. The reversal of 722791943 is 349197227.

722791943 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 722791943 - 2⁶ = 722791879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722791894 and 722791903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722791903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361395971 + 361395972.

It is an arithmetic number, because the mean of its divisors is an integer number (361395972).

Almost surely, 2^722791943 is an apocalyptic number.

722791943 is a deficient number, since it is larger than the sum of its proper divisors (1).

722791943 is an equidigital number, since it uses as much as digits as its factorization.

722791943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 722791943 is about 26884.7901795792. The cubic root of 722791943 is about 897.4379575520.

The spelling of 722791943 in words is "seven hundred twenty-two million, seven hundred ninety-one thousand, nine hundred forty-three".