749537 has 4 divisors (see below), whose sum is σ = 751296. Its totient is φ = 747780.

The previous prime is 749471. The next prime is 749543. The reversal of 749537 is 735947.

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: 735947 = 17 ⋅43291.

It is a cyclic number.

It is not a de Polignac number, because 749537 - 2¹⁰ = 748513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749497 and 749506.

It is not an unprimeable number, because it can be changed into a prime (749557) 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, 212 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (187824).

2⁷⁴⁹⁵³⁷ is an apocalyptic number.

It is an amenable number.

749537 is a deficient number, since it is larger than the sum of its proper divisors (1759).

749537 is a wasteful number, since it uses less digits than its factorization.

749537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its digits is 26460, while the sum is 35.

The square root of 749537 is about 865.7580493417. The cubic root of 749537 is about 90.8373296412.

The spelling of 749537 in words is "seven hundred forty-nine thousand, five hundred thirty-seven".