743242347 has 24 divisors (see below), whose sum is σ = 1109433104. Its totient is φ = 479110464.

The previous prime is 743242343. The next prime is 743242393.

743242347 is a `hidden beast` number, since 74 + 3 + 242 + 347 = 666.

743242347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 743242347 - 2² = 743242343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743242343) 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 in 23 ways as a sum of consecutive naturals, for example, 47433 + ... + 61125.

Almost surely, 2^743242347 is an apocalyptic number.

743242347 is a deficient number, since it is larger than the sum of its proper divisors (366190757).

743242347 is a wasteful number, since it uses less digits than its factorization.

743242347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899 (or 13896 counting only the distinct ones).

The product of its digits is 112896, while the sum is 36.

The square root of 743242347 is about 27262.4714030111. The cubic root of 743242347 is about 905.8232883428.

The spelling of 743242347 in words is "seven hundred forty-three million, two hundred forty-two thousand, three hundred forty-seven".