722712563 has 2 divisors, whose sum is σ = 722712564. Its totient is φ = 722712562.

The previous prime is 722712511. The next prime is 722712607. The reversal of 722712563 is 365217227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722712563 - 2⁶ = 722712499 is a prime.

It is not a weakly prime, because it can be changed into another prime (722772563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361356281 + 361356282.

It is an arithmetic number, because the mean of its divisors is an integer number (361356282).

Almost surely, 2^722712563 is an apocalyptic number.

722712563 is a deficient number, since it is larger than the sum of its proper divisors (1).

722712563 is an equidigital number, since it uses as much as digits as its factorization.

722712563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 722712563 is about 26883.3138396292. The cubic root of 722712563 is about 897.4051029001.

The spelling of 722712563 in words is "seven hundred twenty-two million, seven hundred twelve thousand, five hundred sixty-three".