421066276 has 6 divisors (see below), whose sum is σ = 736865990. Its totient is φ = 210533136.

The previous prime is 421066213. The next prime is 421066301. The reversal of 421066276 is 672660124.

It can be written as a sum of positive squares in only one way, i.e., 218744100 + 202322176 = 14790^2 + 14224^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52633281 + ... + 52633288.

Almost surely, 2^421066276 is an apocalyptic number.

It is an amenable number.

421066276 is a deficient number, since it is larger than the sum of its proper divisors (315799714).

421066276 is a wasteful number, since it uses less digits than its factorization.

421066276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105266573 (or 105266571 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 421066276 is about 20519.8995124245. The cubic root of 421066276 is about 749.5204495887.

The spelling of 421066276 in words is "four hundred twenty-one million, sixty-six thousand, two hundred seventy-six".