750081 has 4 divisors (see below), whose sum is σ = 1000112. Its totient is φ = 500052.

The previous prime is 750077. The next prime is 750083. The reversal of 750081 is 180057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 750081 - 2² = 750077 is a prime.

It is a super-2 number, since 2×750081² = 1125243013122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (750083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125011 + ... + 125016.

It is an arithmetic number, because the mean of its divisors is an integer number (250028).

2⁷⁵⁰⁰⁸¹ is an apocalyptic number.

It is an amenable number.

750081 is a deficient number, since it is larger than the sum of its proper divisors (250031).

750081 is a wasteful number, since it uses less digits than its factorization.

750081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250030.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 750081 is about 866.0721678936. The cubic root of 750081 is about 90.8593003409.

The spelling of 750081 in words is "seven hundred fifty thousand, eighty-one".