724074361 has 2 divisors, whose sum is σ = 724074362. Its totient is φ = 724074360.

The previous prime is 724074343. The next prime is 724074367. The reversal of 724074361 is 163470427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686178025 + 37896336 = 26195^2 + 6156^2 .

It is a cyclic number.

It is not a de Polignac number, because 724074361 - 2²¹ = 721977209 is a prime.

It is not a weakly prime, because it can be changed into another prime (724074367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362037180 + 362037181.

It is an arithmetic number, because the mean of its divisors is an integer number (362037181).

Almost surely, 2^724074361 is an apocalyptic number.

It is an amenable number.

724074361 is a deficient number, since it is larger than the sum of its proper divisors (1).

724074361 is an equidigital number, since it uses as much as digits as its factorization.

724074361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 724074361 is about 26908.6298610687. The cubic root of 724074361 is about 897.9684055431.

The spelling of 724074361 in words is "seven hundred twenty-four million, seventy-four thousand, three hundred sixty-one".