743313 has 4 divisors (see below), whose sum is σ = 991088. Its totient is φ = 495540.

The previous prime is 743297. The next prime is 743321. The reversal of 743313 is 313347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 743313 - 2⁴ = 743297 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 743313.

It is not an unprimeable number, because it can be changed into a prime (743333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123883 + ... + 123888.

It is an arithmetic number, because the mean of its divisors is an integer number (247772).

2⁷⁴³³¹³ is an apocalyptic number.

It is an amenable number.

743313 is a deficient number, since it is larger than the sum of its proper divisors (247775).

743313 is a wasteful number, since it uses less digits than its factorization.

743313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247774.

The product of its digits is 756, while the sum is 21.

The square root of 743313 is about 862.1560183633. The cubic root of 743313 is about 90.5851990109.

The spelling of 743313 in words is "seven hundred forty-three thousand, three hundred thirteen".