724468361 has 2 divisors, whose sum is σ = 724468362. Its totient is φ = 724468360.

The previous prime is 724468301. The next prime is 724468363. The reversal of 724468361 is 163864427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529000000 + 195468361 = 23000^2 + 13981^2 .

It is an emirp because it is prime and its reverse (163864427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724468361 is a prime.

Together with 724468363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (724468363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362234180 + 362234181.

It is an arithmetic number, because the mean of its divisors is an integer number (362234181).

Almost surely, 2^724468361 is an apocalyptic number.

It is an amenable number.

724468361 is a deficient number, since it is larger than the sum of its proper divisors (1).

724468361 is an equidigital number, since it uses as much as digits as its factorization.

724468361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 724468361 is about 26915.9499367940. The cubic root of 724468361 is about 898.1312504192.

The spelling of 724468361 in words is "seven hundred twenty-four million, four hundred sixty-eight thousand, three hundred sixty-one".