421475410 has 8 divisors (see below), whose sum is σ = 758655756. Its totient is φ = 168590160.

The previous prime is 421475389. The next prime is 421475419. The reversal of 421475410 is 14574124.

It can be written as a sum of positive squares in 2 ways, for example, as 384277609 + 37197801 = 19603^2 + 6099^2 .

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

It is not an unprimeable number, because it can be changed into a prime (421475419) 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, 21073761 + ... + 21073780.

Almost surely, 2^421475410 is an apocalyptic number.

421475410 is a deficient number, since it is larger than the sum of its proper divisors (337180346).

421475410 is a wasteful number, since it uses less digits than its factorization.

421475410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42147548.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 421475410 is about 20529.8662927940. The cubic root of 421475410 is about 749.7631311246.

The spelling of 421475410 in words is "four hundred twenty-one million, four hundred seventy-five thousand, four hundred ten".