743341397 has 2 divisors, whose sum is σ = 743341398. Its totient is φ = 743341396.

The previous prime is 743341373. The next prime is 743341429. The reversal of 743341397 is 793143347.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741963121 + 1378276 = 27239^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 743341397 - 2⁸ = 743341141 is a prime.

It is a super-4 number, since 4×743341397⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743341307) 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, 371670698 + 371670699.

It is an arithmetic number, because the mean of its divisors is an integer number (371670699).

Almost surely, 2^743341397 is an apocalyptic number.

It is an amenable number.

743341397 is a deficient number, since it is larger than the sum of its proper divisors (1).

743341397 is an equidigital number, since it uses as much as digits as its factorization.

743341397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 743341397 is about 27264.2879422882. The cubic root of 743341397 is about 905.8635254704.

The spelling of 743341397 in words is "seven hundred forty-three million, three hundred forty-one thousand, three hundred ninety-seven".