749966 has 8 divisors (see below), whose sum is σ = 1285680. Its totient is φ = 321408.

The previous prime is 749941. The next prime is 749971. The reversal of 749966 is 669947.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

749966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 26771 + ... + 26798.

It is an arithmetic number, because the mean of its divisors is an integer number (160710).

2⁷⁴⁹⁹⁶⁶ is an apocalyptic number.

749966 is a deficient number, since it is larger than the sum of its proper divisors (535714).

749966 is a wasteful number, since it uses less digits than its factorization.

749966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53578.

The product of its digits is 81648, while the sum is 41.

The square root of 749966 is about 866.0057736528. The cubic root of 749966 is about 90.8546566853.

The spelling of 749966 in words is "seven hundred forty-nine thousand, nine hundred sixty-six".