726043141 has 2 divisors, whose sum is σ = 726043142. Its totient is φ = 726043140.

The previous prime is 726043117. The next prime is 726043147. The reversal of 726043141 is 141340627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504182116 + 221861025 = 22454^2 + 14895^2 .

It is a cyclic number.

It is not a de Polignac number, because 726043141 - 2⁷ = 726043013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726043147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363021570 + 363021571.

It is an arithmetic number, because the mean of its divisors is an integer number (363021571).

Almost surely, 2^726043141 is an apocalyptic number.

It is an amenable number.

726043141 is a deficient number, since it is larger than the sum of its proper divisors (1).

726043141 is an equidigital number, since it uses as much as digits as its factorization.

726043141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 726043141 is about 26945.1877150633. The cubic root of 726043141 is about 898.7815367270.

Adding to 726043141 its reverse (141340627), we get a palindrome (867383768).

The spelling of 726043141 in words is "seven hundred twenty-six million, forty-three thousand, one hundred forty-one".