421332774 has 16 divisors (see below), whose sum is σ = 843220800. Its totient is φ = 140351720.

The previous prime is 421332773. The next prime is 421332797. The reversal of 421332774 is 477233124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421332773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12924 + ... + 31775.

It is an arithmetic number, because the mean of its divisors is an integer number (52701300).

Almost surely, 2^421332774 is an apocalyptic number.

421332774 is an abundant number, since it is smaller than the sum of its proper divisors (421888026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421332774 is a wasteful number, since it uses less digits than its factorization.

421332774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46275.

The product of its digits is 28224, while the sum is 33.

The square root of 421332774 is about 20526.3921330564. The cubic root of 421332774 is about 749.6785431292.

Adding to 421332774 its reverse (477233124), we get a palindrome (898565898).

The spelling of 421332774 in words is "four hundred twenty-one million, three hundred thirty-two thousand, seven hundred seventy-four".