750005 has 4 divisors (see below), whose sum is σ = 900012. Its totient is φ = 600000.

The previous prime is 749993. The next prime is 750019. The reversal of 750005 is 500057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 485809 = 514^2 + 697^2 .

It is not a de Polignac number, because 750005 - 2⁶ = 749941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74996 + ... + 75005.

It is an arithmetic number, because the mean of its divisors is an integer number (225003).

2⁷⁵⁰⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

750005 is a deficient number, since it is larger than the sum of its proper divisors (150007).

750005 is a wasteful number, since it uses less digits than its factorization.

750005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150006.

The product of its (nonzero) digits is 175, while the sum is 17.

The square root of 750005 is about 866.0282905310. The cubic root of 750005 is about 90.8562315434.

The spelling of 750005 in words is "seven hundred fifty thousand, five".