726261971 has 2 divisors, whose sum is σ = 726261972. Its totient is φ = 726261970.

The previous prime is 726261953. The next prime is 726262037. The reversal of 726261971 is 179162627.

726261971 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 726261971 - 2¹⁰ = 726260947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (726261901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363130985 + 363130986.

It is an arithmetic number, because the mean of its divisors is an integer number (363130986).

Almost surely, 2^726261971 is an apocalyptic number.

726261971 is a deficient number, since it is larger than the sum of its proper divisors (1).

726261971 is an equidigital number, since it uses as much as digits as its factorization.

726261971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 726261971 is about 26949.2480600109. The cubic root of 726261971 is about 898.8718254881.

The spelling of 726261971 in words is "seven hundred twenty-six million, two hundred sixty-one thousand, nine hundred seventy-one".