750069 has 6 divisors (see below), whose sum is σ = 1083446. Its totient is φ = 500040.

The previous prime is 750059. The next prime is 750077. The reversal of 750069 is 960057.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 19044 = 855^2 + 138^2 .

It is not a de Polignac number, because 750069 - 2⁵ = 750037 is a prime.

It is a super-2 number, since 2×750069² = 1125207009522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

750069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750019) 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 5 ways as a sum of consecutive naturals, for example, 41662 + ... + 41679.

2⁷⁵⁰⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

750069 is a deficient number, since it is larger than the sum of its proper divisors (333377).

750069 is a wasteful number, since it uses less digits than its factorization.

750069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83347 (or 83344 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 750069 is about 866.0652400368. The cubic root of 750069 is about 90.8588158077.

It can be divided in two parts, 7500 and 69, that added together give a square (7569 = 87²).

The spelling of 750069 in words is "seven hundred fifty thousand, sixty-nine".