724469497 has 2 divisors, whose sum is σ = 724469498. Its totient is φ = 724469496.

The previous prime is 724469443. The next prime is 724469507. The reversal of 724469497 is 794964427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544802281 + 179667216 = 23341^2 + 13404^2 .

It is a cyclic number.

It is not a de Polignac number, because 724469497 - 2¹⁵ = 724436729 is a prime.

It is not a weakly prime, because it can be changed into another prime (724460497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362234748 + 362234749.

It is an arithmetic number, because the mean of its divisors is an integer number (362234749).

Almost surely, 2^724469497 is an apocalyptic number.

It is an amenable number.

724469497 is a deficient number, since it is larger than the sum of its proper divisors (1).

724469497 is an equidigital number, since it uses as much as digits as its factorization.

724469497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The square root of 724469497 is about 26915.9710395148. The cubic root of 724469497 is about 898.1317198561.

The spelling of 724469497 in words is "seven hundred twenty-four million, four hundred sixty-nine thousand, four hundred ninety-seven".