749533 has 4 divisors (see below), whose sum is σ = 767008. Its totient is φ = 732060.

The previous prime is 749471. The next prime is 749543. The reversal of 749533 is 335947.

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, and also an emirpimes, since its reverse is a distinct semiprime: 335947 = 31 ⋅10837.

It is a cyclic number.

It is not a de Polignac number, because 749533 - 2¹³ = 741341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749495 and 749504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8673 + ... + 8758.

It is an arithmetic number, because the mean of its divisors is an integer number (191752).

2⁷⁴⁹⁵³³ is an apocalyptic number.

It is an amenable number.

749533 is a deficient number, since it is larger than the sum of its proper divisors (17475).

749533 is a wasteful number, since it uses less digits than its factorization.

749533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17474.

The product of its digits is 11340, while the sum is 31.

The square root of 749533 is about 865.7557392244. The cubic root of 749533 is about 90.8371680525.

The spelling of 749533 in words is "seven hundred forty-nine thousand, five hundred thirty-three".