726454549 has 2 divisors, whose sum is σ = 726454550. Its totient is φ = 726454548.

The previous prime is 726454501. The next prime is 726454577. The reversal of 726454549 is 945454627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632170449 + 94284100 = 25143^2 + 9710^2 .

It is a cyclic number.

It is not a de Polignac number, because 726454549 - 2²¹ = 724357397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726454499 and 726454508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726454349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363227274 + 363227275.

It is an arithmetic number, because the mean of its divisors is an integer number (363227275).

Almost surely, 2^726454549 is an apocalyptic number.

It is an amenable number.

726454549 is a deficient number, since it is larger than the sum of its proper divisors (1).

726454549 is an equidigital number, since it uses as much as digits as its factorization.

726454549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The square root of 726454549 is about 26952.8207985732. The cubic root of 726454549 is about 898.9512677313.

The spelling of 726454549 in words is "seven hundred twenty-six million, four hundred fifty-four thousand, five hundred forty-nine".