750745 has 8 divisors (see below), whose sum is σ = 918216. Its totient is φ = 589056.

The previous prime is 750721. The next prime is 750749. The reversal of 750745 is 547057.

It can be written as a sum of positive squares in 4 ways, for example, as 104329 + 646416 = 323^2 + 804^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 750745 - 2⁵ = 750713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (750749) 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, 1152 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (114777).

2⁷⁵⁰⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

750745 is a deficient number, since it is larger than the sum of its proper divisors (167471).

750745 is a wasteful number, since it uses less digits than its factorization.

750745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 750745 is about 866.4554229734. The cubic root of 750745 is about 90.8861031271.

The spelling of 750745 in words is "seven hundred fifty thousand, seven hundred forty-five".