726453727 has 2 divisors, whose sum is σ = 726453728. Its totient is φ = 726453726.

The previous prime is 726453719. The next prime is 726453751. The reversal of 726453727 is 727354627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726453727 - 2³ = 726453719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726453787) 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, 363226863 + 363226864.

It is an arithmetic number, because the mean of its divisors is an integer number (363226864).

Almost surely, 2^726453727 is an apocalyptic number.

726453727 is a deficient number, since it is larger than the sum of its proper divisors (1).

726453727 is an equidigital number, since it uses as much as digits as its factorization.

726453727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 43.

The square root of 726453727 is about 26952.8055497011. The cubic root of 726453727 is about 898.9509286699.

The spelling of 726453727 in words is "seven hundred twenty-six million, four hundred fifty-three thousand, seven hundred twenty-seven".