474743209 has 4 divisors (see below), whose sum is σ = 474823504. Its totient is φ = 474662916.

The previous prime is 474743179. The next prime is 474743233. The reversal of 474743209 is 902347474.

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 474743209 - 2⁷ = 474743081 is a prime.

It is a super-2 number, since 2×474743209² = 450762228983235362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474743239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30507 + ... + 43360.

It is an arithmetic number, because the mean of its divisors is an integer number (118705876).

Almost surely, 2^474743209 is an apocalyptic number.

It is an amenable number.

474743209 is a deficient number, since it is larger than the sum of its proper divisors (80295).

474743209 is an equidigital number, since it uses as much as digits as its factorization.

474743209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80294.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 474743209 is about 21788.6027317036. The cubic root of 474743209 is about 780.1047465071.

The spelling of 474743209 in words is "four hundred seventy-four million, seven hundred forty-three thousand, two hundred nine".