726250845 has 16 divisors (see below), whose sum is σ = 1163226240. Its totient is φ = 386925504.

The previous prime is 726250841. The next prime is 726250873. The reversal of 726250845 is 548052627.

It is not a de Polignac number, because 726250845 - 2² = 726250841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726250841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10530 + ... + 39539.

It is an arithmetic number, because the mean of its divisors is an integer number (72701640).

Almost surely, 2^726250845 is an apocalyptic number.

It is an amenable number.

726250845 is a deficient number, since it is larger than the sum of its proper divisors (436975395).

726250845 is a wasteful number, since it uses less digits than its factorization.

726250845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51044.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 726250845 is about 26949.0416341658. The cubic root of 726250845 is about 898.8672353634.

The spelling of 726250845 in words is "seven hundred twenty-six million, two hundred fifty thousand, eight hundred forty-five".