749441 has 8 divisors (see below), whose sum is σ = 934464. Its totient is φ = 583920.

The previous prime is 749431. The next prime is 749443. The reversal of 749441 is 144947.

749441 = 256² + 257² + ... + 266².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749443) 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 7 ways as a sum of consecutive naturals, for example, 4790 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (116808).

2⁷⁴⁹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

749441 is a deficient number, since it is larger than the sum of its proper divisors (185023).

749441 is a wasteful number, since it uses less digits than its factorization.

749441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9751.

The product of its digits is 4032, while the sum is 29.

The square root of 749441 is about 865.7026048245. The cubic root of 749441 is about 90.8334513554.

The spelling of 749441 in words is "seven hundred forty-nine thousand, four hundred forty-one".