724916441 has 2 divisors, whose sum is σ = 724916442. Its totient is φ = 724916440.

The previous prime is 724916429. The next prime is 724916447. The reversal of 724916441 is 144619427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574608841 + 150307600 = 23971^2 + 12260^2 .

It is an emirp because it is prime and its reverse (144619427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724916441 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 724916395 and 724916404.

It is not a weakly prime, because it can be changed into another prime (724916447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362458220 + 362458221.

It is an arithmetic number, because the mean of its divisors is an integer number (362458221).

Almost surely, 2^724916441 is an apocalyptic number.

It is an amenable number.

724916441 is a deficient number, since it is larger than the sum of its proper divisors (1).

724916441 is an equidigital number, since it uses as much as digits as its factorization.

724916441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 724916441 is about 26924.2723392852. The cubic root of 724916441 is about 898.3163754630.

The spelling of 724916441 in words is "seven hundred twenty-four million, nine hundred sixteen thousand, four hundred forty-one".