726303049 has 2 divisors, whose sum is σ = 726303050. Its totient is φ = 726303048.

The previous prime is 726303047. The next prime is 726303073. The reversal of 726303049 is 940303627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364542649 + 361760400 = 19093^2 + 19020^2 .

It is a cyclic number.

It is not a de Polignac number, because 726303049 - 2¹ = 726303047 is a prime.

It is a super-2 number, since 2×726303049² = 1055032237973392802, which contains 22 as substring.

Together with 726303047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (726303047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363151524 + 363151525.

It is an arithmetic number, because the mean of its divisors is an integer number (363151525).

Almost surely, 2^726303049 is an apocalyptic number.

It is an amenable number.

726303049 is a deficient number, since it is larger than the sum of its proper divisors (1).

726303049 is an equidigital number, since it uses as much as digits as its factorization.

726303049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 726303049 is about 26950.0101855268. The cubic root of 726303049 is about 898.8887721557. Note that the first 3 decimals are identical.

The spelling of 726303049 in words is "seven hundred twenty-six million, three hundred three thousand, forty-nine".