726030247 has 2 divisors, whose sum is σ = 726030248. Its totient is φ = 726030246.

The previous prime is 726030229. The next prime is 726030251. The reversal of 726030247 is 742030627.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726030247 - 2⁷ = 726030119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726030287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363015123 + 363015124.

It is an arithmetic number, because the mean of its divisors is an integer number (363015124).

Almost surely, 2^726030247 is an apocalyptic number.

726030247 is a deficient number, since it is larger than the sum of its proper divisors (1).

726030247 is an equidigital number, since it uses as much as digits as its factorization.

726030247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 726030247 is about 26944.9484504981. The cubic root of 726030247 is about 898.7762161259.

The spelling of 726030247 in words is "seven hundred twenty-six million, thirty thousand, two hundred forty-seven".