726057441 has 24 divisors (see below), whose sum is σ = 1086097896. Its totient is φ = 467101440.

The previous prime is 726057419. The next prime is 726057443. The reversal of 726057441 is 144750627.

726057441 is a `hidden beast` number, since 7 + 2 + 605 + 7 + 4 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 72743841 + 653313600 = 8529^2 + 25560^2 .

It is not a de Polignac number, because 726057441 - 2¹⁹ = 725533153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726057396 and 726057405.

It is not an unprimeable number, because it can be changed into a prime (726057443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16621 + ... + 41573.

It is an arithmetic number, because the mean of its divisors is an integer number (45254079).

Almost surely, 2^726057441 is an apocalyptic number.

It is an amenable number.

726057441 is a deficient number, since it is larger than the sum of its proper divisors (360040455).

726057441 is a wasteful number, since it uses less digits than its factorization.

726057441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25073 (or 25070 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 726057441 is about 26945.4530672616. The cubic root of 726057441 is about 898.7874374285.

The spelling of 726057441 in words is "seven hundred twenty-six million, fifty-seven thousand, four hundred forty-one".