726522773 has 2 divisors, whose sum is σ = 726522774. Its totient is φ = 726522772.

The previous prime is 726522743. The next prime is 726522793. The reversal of 726522773 is 377225627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726464209 + 58564 = 26953^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 726522773 - 2¹² = 726518677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726522773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726522733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363261386 + 363261387.

It is an arithmetic number, because the mean of its divisors is an integer number (363261387).

Almost surely, 2^726522773 is an apocalyptic number.

It is an amenable number.

726522773 is a deficient number, since it is larger than the sum of its proper divisors (1).

726522773 is an equidigital number, since it uses as much as digits as its factorization.

726522773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 41.

The square root of 726522773 is about 26954.0863877817. The cubic root of 726522773 is about 898.9794081161.

The spelling of 726522773 in words is "seven hundred twenty-six million, five hundred twenty-two thousand, seven hundred seventy-three".