474801421 has 4 divisors (see below), whose sum is σ = 475186492. Its totient is φ = 474416352.

The previous prime is 474801403. The next prime is 474801511. The reversal of 474801421 is 124108474.

It is a happy number.

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 167184900 + 307616521 = 12930^2 + 17539^2 .

It is a cyclic number.

It is not a de Polignac number, because 474801421 - 2¹⁷ = 474670349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474802421) 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, 190680 + ... + 193153.

It is an arithmetic number, because the mean of its divisors is an integer number (118796623).

Almost surely, 2^474801421 is an apocalyptic number.

It is an amenable number.

474801421 is a deficient number, since it is larger than the sum of its proper divisors (385071).

474801421 is a wasteful number, since it uses less digits than its factorization.

474801421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385070.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 474801421 is about 21789.9385267605. The cubic root of 474801421 is about 780.1366301308.

Adding to 474801421 its reverse (124108474), we get a palindrome (598909895).

The spelling of 474801421 in words is "four hundred seventy-four million, eight hundred one thousand, four hundred twenty-one".