726272501 has 2 divisors, whose sum is σ = 726272502. Its totient is φ = 726272500.

The previous prime is 726272489. The next prime is 726272509. The reversal of 726272501 is 105272627.

726272501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665588401 + 60684100 = 25799^2 + 7790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726272501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726272509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363136250 + 363136251.

It is an arithmetic number, because the mean of its divisors is an integer number (363136251).

Almost surely, 2^726272501 is an apocalyptic number.

It is an amenable number.

726272501 is a deficient number, since it is larger than the sum of its proper divisors (1).

726272501 is an equidigital number, since it uses as much as digits as its factorization.

726272501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 726272501 is about 26949.4434265348. The cubic root of 726272501 is about 898.8761696848.

The spelling of 726272501 in words is "seven hundred twenty-six million, two hundred seventy-two thousand, five hundred one".