675471409 has 8 divisors (see below), whose sum is σ = 693397760. Its totient is φ = 657779616.

The previous prime is 675471403. The next prime is 675471437. The reversal of 675471409 is 904174576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675471409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675471403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52797 + ... + 64330.

It is an arithmetic number, because the mean of its divisors is an integer number (86674720).

Almost surely, 2^675471409 is an apocalyptic number.

It is an amenable number.

675471409 is a deficient number, since it is larger than the sum of its proper divisors (17926351).

675471409 is a wasteful number, since it uses less digits than its factorization.

675471409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117279.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 675471409 is about 25989.8328005395. The cubic root of 675471409 is about 877.4094825774.

The spelling of 675471409 in words is "six hundred seventy-five million, four hundred seventy-one thousand, four hundred nine".