726071767 has 2 divisors, whose sum is σ = 726071768. Its totient is φ = 726071766.

The previous prime is 726071761. The next prime is 726071771. The reversal of 726071767 is 767170627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726071767 - 2⁷ = 726071639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726071761) 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, 363035883 + 363035884.

It is an arithmetic number, because the mean of its divisors is an integer number (363035884).

Almost surely, 2^726071767 is an apocalyptic number.

726071767 is a deficient number, since it is larger than the sum of its proper divisors (1).

726071767 is an equidigital number, since it uses as much as digits as its factorization.

726071767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172872, while the sum is 43.

The square root of 726071767 is about 26945.7188992983. The cubic root of 726071767 is about 898.7933487809.

The spelling of 726071767 in words is "seven hundred twenty-six million, seventy-one thousand, seven hundred sixty-seven".