726897441 has 32 divisors (see below), whose sum is σ = 1084285440. Its totient is φ = 430954496.

The previous prime is 726897433. The next prime is 726897461. The reversal of 726897441 is 144798627.

It is a cyclic number.

It is not a de Polignac number, because 726897441 - 2³ = 726897433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726897461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64285 + ... + 74741.

It is an arithmetic number, because the mean of its divisors is an integer number (33883920).

Almost surely, 2^726897441 is an apocalyptic number.

It is an amenable number.

726897441 is a deficient number, since it is larger than the sum of its proper divisors (357387999).

726897441 is a wasteful number, since it uses less digits than its factorization.

726897441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553.

The product of its digits is 677376, while the sum is 48.

The square root of 726897441 is about 26961.0356069644. The cubic root of 726897441 is about 899.1339162043.

The spelling of 726897441 in words is "seven hundred twenty-six million, eight hundred ninety-seven thousand, four hundred forty-one".