743813 has 8 divisors (see below), whose sum is σ = 864960. Its totient is φ = 626400.

The previous prime is 743803. The next prime is 743819. The reversal of 743813 is 318347.

743813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 743813 - 2¹⁰ = 742789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488 + ... + 1313.

It is an arithmetic number, because the mean of its divisors is an integer number (108120).

2⁷⁴³⁸¹³ is an apocalyptic number.

It is an amenable number.

743813 is a deficient number, since it is larger than the sum of its proper divisors (121147).

743813 is a wasteful number, since it uses less digits than its factorization.

743813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867.

The product of its digits is 2016, while the sum is 26.

The square root of 743813 is about 862.4459403348. The cubic root of 743813 is about 90.6055055968.

The spelling of 743813 in words is "seven hundred forty-three thousand, eight hundred thirteen".