475712421 has 8 divisors (see below), whose sum is σ = 634440384. Its totient is φ = 317063040.

The previous prime is 475712407. The next prime is 475712423. The reversal of 475712421 is 124217574.

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

It is not a de Polignac number, because 475712421 - 2¹⁴ = 475696037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475712423) 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, 3660 + ... + 31061.

It is an arithmetic number, because the mean of its divisors is an integer number (79305048).

Almost surely, 2^475712421 is an apocalyptic number.

It is an amenable number.

475712421 is a deficient number, since it is larger than the sum of its proper divisors (158727963).

475712421 is a wasteful number, since it uses less digits than its factorization.

475712421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39291.

The product of its digits is 15680, while the sum is 33.

The square root of 475712421 is about 21810.8326526064. The cubic root of 475712421 is about 780.6352599302.

Adding to 475712421 its reverse (124217574), we get a palindrome (599929995).

The spelling of 475712421 in words is "four hundred seventy-five million, seven hundred twelve thousand, four hundred twenty-one".