754609 has 4 divisors (see below), whose sum is σ = 780660. Its totient is φ = 728560.

The previous prime is 754597. The next prime is 754627. The reversal of 754609 is 906457.

754609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 616225 + 138384 = 785^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 754609 - 2⁵ = 754577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (754639) 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, 12982 + ... + 13039.

It is an arithmetic number, because the mean of its divisors is an integer number (195165).

2⁷⁵⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

754609 is a deficient number, since it is larger than the sum of its proper divisors (26051).

754609 is a wasteful number, since it uses less digits than its factorization.

754609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26050.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 754609 is about 868.6823354944. The cubic root of 754609 is about 91.0417632238.

The spelling of 754609 in words is "seven hundred fifty-four thousand, six hundred nine".