726270893 has 2 divisors, whose sum is σ = 726270894. Its totient is φ = 726270892.

The previous prime is 726270871. The next prime is 726270907. The reversal of 726270893 is 398072627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700025764 + 26245129 = 26458^2 + 5123^2 .

It is a cyclic number.

It is not a de Polignac number, because 726270893 - 2¹² = 726266797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726270803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363135446 + 363135447.

It is an arithmetic number, because the mean of its divisors is an integer number (363135447).

Almost surely, 2^726270893 is an apocalyptic number.

It is an amenable number.

726270893 is a deficient number, since it is larger than the sum of its proper divisors (1).

726270893 is an equidigital number, since it uses as much as digits as its factorization.

726270893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 726270893 is about 26949.4135928780. The cubic root of 726270893 is about 898.8755063002.

The spelling of 726270893 in words is "seven hundred twenty-six million, two hundred seventy thousand, eight hundred ninety-three".