726502402273 has 2 divisors, whose sum is σ = 726502402274. Its totient is φ = 726502402272.

The previous prime is 726502402207. The next prime is 726502402363. The reversal of 726502402273 is 372204205627.

726502402273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725617756224 + 884646049 = 851832^2 + 29743^2 .

It is a cyclic number.

It is not a de Polignac number, because 726502402273 - 2²¹ = 726500305121 is a prime.

It is not a weakly prime, because it can be changed into another prime (726502409273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363251201136 + 363251201137.

It is an arithmetic number, because the mean of its divisors is an integer number (363251201137).

Almost surely, 2^726502402273 is an apocalyptic number.

It is an amenable number.

726502402273 is a deficient number, since it is larger than the sum of its proper divisors (1).

726502402273 is an equidigital number, since it uses as much as digits as its factorization.

726502402273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 726502402273 in words is "seven hundred twenty-six billion, five hundred two million, four hundred two thousand, two hundred seventy-three".