421074576 has 120 divisors (see below), whose sum is σ = 1298833536. Its totient is φ = 126524160.

The previous prime is 421074539. The next prime is 421074607. The reversal of 421074576 is 675470124.

421074576 is a `hidden beast` number, since 4 + 2 + 10 + 74 + 576 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 421074576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77881 + ... + 83111.

Almost surely, 2^421074576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421074576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649416768).

421074576 is an abundant number, since it is smaller than the sum of its proper divisors (877758960).

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

421074576 is a wasteful number, since it uses less digits than its factorization.

421074576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301 (or 5292 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 421074576 is about 20520.1017541337. The cubic root of 421074576 is about 749.5253743707.

The spelling of 421074576 in words is "four hundred twenty-one million, seventy-four thousand, five hundred seventy-six".