749229 has 8 divisors (see below), whose sum is σ = 1075872. Its totient is φ = 461040.

The previous prime is 749219. The next prime is 749237. The reversal of 749229 is 922947.

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

It is not a de Polignac number, because 749229 - 2⁵ = 749197 is a prime.

It is a super-2 number, since 2×749229² = 1122688188882, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 749229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749209) 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 7 ways as a sum of consecutive naturals, for example, 9567 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (134484).

2⁷⁴⁹²²⁹ is an apocalyptic number.

It is an amenable number.

749229 is a deficient number, since it is larger than the sum of its proper divisors (326643).

749229 is a wasteful number, since it uses less digits than its factorization.

749229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227.

The product of its digits is 9072, while the sum is 33.

The square root of 749229 is about 865.5801522678. The cubic root of 749229 is about 90.8248856343.

The spelling of 749229 in words is "seven hundred forty-nine thousand, two hundred twenty-nine".