722654927 has 2 divisors, whose sum is σ = 722654928. Its totient is φ = 722654926.

The previous prime is 722654923. The next prime is 722654941. The reversal of 722654927 is 729456227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722654927 - 2² = 722654923 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722654923) 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, 361327463 + 361327464.

It is an arithmetic number, because the mean of its divisors is an integer number (361327464).

Almost surely, 2^722654927 is an apocalyptic number.

722654927 is a deficient number, since it is larger than the sum of its proper divisors (1).

722654927 is an equidigital number, since it uses as much as digits as its factorization.

722654927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 722654927 is about 26882.2418521968. The cubic root of 722654927 is about 897.3812463822.

The spelling of 722654927 in words is "seven hundred twenty-two million, six hundred fifty-four thousand, nine hundred twenty-seven".