743533 has 4 divisors (see below), whose sum is σ = 849760. Its totient is φ = 637308.

The previous prime is 743507. The next prime is 743549. The reversal of 743533 is 335347.

743533 = 112² + 113² + ... + 153².

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 743533 - 2¹³ = 735341 is a prime.

It is a Duffinian number.

743533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 743498 and 743507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743573) 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, 53103 + ... + 53116.

It is an arithmetic number, because the mean of its divisors is an integer number (212440).

2⁷⁴³⁵³³ is an apocalyptic number.

It is an amenable number.

743533 is a deficient number, since it is larger than the sum of its proper divisors (106227).

743533 is a wasteful number, since it uses less digits than its factorization.

743533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106226.

The product of its digits is 3780, while the sum is 25.

The square root of 743533 is about 862.2835960402. The cubic root of 743533 is about 90.5941350303.

The spelling of 743533 in words is "seven hundred forty-three thousand, five hundred thirty-three".