754009 has 4 divisors (see below), whose sum is σ = 786816. Its totient is φ = 721204.

The previous prime is 754003. The next prime is 754027. The reversal of 754009 is 900457.

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 a cyclic number.

It is not a de Polignac number, because 754009 - 2⁹ = 753497 is a prime.

It is a Duffinian number.

754009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (754003) 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, 16369 + ... + 16414.

It is an arithmetic number, because the mean of its divisors is an integer number (196704).

2⁷⁵⁴⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

754009 is a deficient number, since it is larger than the sum of its proper divisors (32807).

754009 is a wasteful number, since it uses less digits than its factorization.

754009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32806.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 754009 is about 868.3369161794. The cubic root of 754009 is about 91.0176273062.

The spelling of 754009 in words is "seven hundred fifty-four thousand, nine".