726734241 has 16 divisors (see below), whose sum is σ = 1139976000. Its totient is φ = 455989824.

The previous prime is 726734233. The next prime is 726734273. The reversal of 726734241 is 142437627.

It is not a de Polignac number, because 726734241 - 2³ = 726734233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726734196 and 726734205.

It is not an unprimeable number, because it can be changed into a prime (726734201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791191 + ... + 792108.

It is an arithmetic number, because the mean of its divisors is an integer number (71248500).

Almost surely, 2^726734241 is an apocalyptic number.

It is an amenable number.

726734241 is a deficient number, since it is larger than the sum of its proper divisors (413241759).

726734241 is a wasteful number, since it uses less digits than its factorization.

726734241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583325 (or 1583319 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 726734241 is about 26958.0088470940. The cubic root of 726734241 is about 899.0666212280.

The spelling of 726734241 in words is "seven hundred twenty-six million, seven hundred thirty-four thousand, two hundred forty-one".