744397 has 2 divisors, whose sum is σ = 744398. Its totient is φ = 744396.

The previous prime is 744391. The next prime is 744407. The reversal of 744397 is 793447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 48841 = 834^2 + 221^2 .

It is an emirp because it is prime and its reverse (793447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744397 - 2³ = 744389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744391) 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, 372198 + 372199.

It is an arithmetic number, because the mean of its divisors is an integer number (372199).

2⁷⁴⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

744397 is a deficient number, since it is larger than the sum of its proper divisors (1).

744397 is an equidigital number, since it uses as much as digits as its factorization.

744397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 744397 is about 862.7844458496. The cubic root of 744397 is about 90.6292121704.

The spelling of 744397 in words is "seven hundred forty-four thousand, three hundred ninety-seven".