743347 has 4 divisors (see below), whose sum is σ = 810936. Its totient is φ = 675760.

The previous prime is 743339. The next prime is 743363.

743347 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 743347 - 2³ = 743339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743377) 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 in 3 ways as a sum of consecutive naturals, for example, 33778 + ... + 33799.

It is an arithmetic number, because the mean of its divisors is an integer number (202734).

2⁷⁴³³⁴⁷ is an apocalyptic number.

743347 is a deficient number, since it is larger than the sum of its proper divisors (67589).

743347 is a wasteful number, since it uses less digits than its factorization.

743347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67588.

The product of its digits is 7056, while the sum is 28.

The square root of 743347 is about 862.1757361466. The cubic root of 743347 is about 90.5865801473.

Subtracting from 743347 its product of digits (7056), we obtain a triangular number (736291 = T₁₂₁₃).

The spelling of 743347 in words is "seven hundred forty-three thousand, three hundred forty-seven", and thus it is an iban number.