474957817 has 4 divisors (see below), whose sum is σ = 486542196. Its totient is φ = 463373440.

The previous prime is 474957793. The next prime is 474957827. The reversal of 474957817 is 718759474.

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 125865961 + 349091856 = 11219^2 + 18684^2 .

It is a cyclic number.

It is not a de Polignac number, because 474957817 - 2⁷ = 474957689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474957827) 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, 5792128 + ... + 5792209.

It is an arithmetic number, because the mean of its divisors is an integer number (121635549).

Almost surely, 2^474957817 is an apocalyptic number.

It is an amenable number.

474957817 is a deficient number, since it is larger than the sum of its proper divisors (11584379).

474957817 is a wasteful number, since it uses less digits than its factorization.

474957817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584378.

The product of its digits is 1975680, while the sum is 52.

The square root of 474957817 is about 21793.5269518268. The cubic root of 474957817 is about 780.2222777645. Note that the first 4 decimals are identical.

The spelling of 474957817 in words is "four hundred seventy-four million, nine hundred fifty-seven thousand, eight hundred seventeen".