726086663 has 2 divisors, whose sum is σ = 726086664. Its totient is φ = 726086662.

The previous prime is 726086633. The next prime is 726086693. The reversal of 726086663 is 366680627.

It is a balanced prime because it is at equal distance from previous prime (726086633) and next prime (726086693).

It is an emirp because it is prime and its reverse (366680627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726086663 - 2²² = 721892359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726086633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363043331 + 363043332.

It is an arithmetic number, because the mean of its divisors is an integer number (363043332).

Almost surely, 2^726086663 is an apocalyptic number.

726086663 is a deficient number, since it is larger than the sum of its proper divisors (1).

726086663 is an equidigital number, since it uses as much as digits as its factorization.

726086663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 726086663 is about 26945.9953054253. The cubic root of 726086663 is about 898.7994952505.

The spelling of 726086663 in words is "seven hundred twenty-six million, eighty-six thousand, six hundred sixty-three".