726125849 has 2 divisors, whose sum is σ = 726125850. Its totient is φ = 726125848.

The previous prime is 726125839. The next prime is 726125891. The reversal of 726125849 is 948521627.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 714599824 + 11526025 = 26732^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 726125849 - 2⁸ = 726125593 is a prime.

It is not a weakly prime, because it can be changed into another prime (726125819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363062924 + 363062925.

It is an arithmetic number, because the mean of its divisors is an integer number (363062925).

Almost surely, 2^726125849 is an apocalyptic number.

It is an amenable number.

726125849 is a deficient number, since it is larger than the sum of its proper divisors (1).

726125849 is an equidigital number, since it uses as much as digits as its factorization.

726125849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 726125849 is about 26946.7224166502. The cubic root of 726125849 is about 898.8156639923.

The spelling of 726125849 in words is "seven hundred twenty-six million, one hundred twenty-five thousand, eight hundred forty-nine".