726074249 has 2 divisors, whose sum is σ = 726074250. Its totient is φ = 726074248.

The previous prime is 726074191. The next prime is 726074257. The reversal of 726074249 is 942470627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396288649 + 329785600 = 19907^2 + 18160^2 .

It is a cyclic number.

It is not a de Polignac number, because 726074249 - 2²⁴ = 709297033 is a prime.

It is not a weakly prime, because it can be changed into another prime (726074149) 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 as a sum of consecutive naturals, namely, 363037124 + 363037125.

It is an arithmetic number, because the mean of its divisors is an integer number (363037125).

Almost surely, 2^726074249 is an apocalyptic number.

It is an amenable number.

726074249 is a deficient number, since it is larger than the sum of its proper divisors (1).

726074249 is an equidigital number, since it uses as much as digits as its factorization.

726074249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 726074249 is about 26945.7649548125. The cubic root of 726074249 is about 898.7943729232.

The spelling of 726074249 in words is "seven hundred twenty-six million, seventy-four thousand, two hundred forty-nine".