7675609 has 4 divisors (see below), whose sum is σ = 7707700. Its totient is φ = 7643520.

The previous prime is 7675589. The next prime is 7675621. The reversal of 7675609 is 9065767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9065767 = 571 ⋅15877.

It can be written as a sum of positive squares in 2 ways, for example, as 4853209 + 2822400 = 2203^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 7675609 - 2¹³ = 7667417 is a prime.

It is a Duffinian number.

7675609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7675649) 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, 15684 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (1926925).

Almost surely, 2^7675609 is an apocalyptic number.

It is an amenable number.

7675609 is a deficient number, since it is larger than the sum of its proper divisors (32091).

7675609 is a wasteful number, since it uses less digits than its factorization.

7675609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32090.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 7675609 is about 2770.4889460166. The cubic root of 7675609 is about 197.2593576072.

The spelling of 7675609 in words is "seven million, six hundred seventy-five thousand, six hundred nine".