417474947 has 4 divisors (see below), whose sum is σ = 422759520. Its totient is φ = 412190376.

The previous prime is 417474931. The next prime is 417474961. The reversal of 417474947 is 749474714.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 417474947 - 2⁴ = 417474931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (417474047) 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, 2642168 + ... + 2642325.

It is an arithmetic number, because the mean of its divisors is an integer number (105689880).

Almost surely, 2^417474947 is an apocalyptic number.

417474947 is a deficient number, since it is larger than the sum of its proper divisors (5284573).

417474947 is an equidigital number, since it uses as much as digits as its factorization.

417474947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284572.

The product of its digits is 790272, while the sum is 47.

The square root of 417474947 is about 20432.2036745917. The cubic root of 417474947 is about 747.3834433089.

The spelling of 417474947 in words is "four hundred seventeen million, four hundred seventy-four thousand, nine hundred forty-seven".