421066626 has 8 divisors (see below), whose sum is σ = 842133264. Its totient is φ = 140355540.

The previous prime is 421066601. The next prime is 421066637. The reversal of 421066626 is 626660124.

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

421066626 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35088880 + ... + 35088891.

It is an arithmetic number, because the mean of its divisors is an integer number (105266658).

Almost surely, 2^421066626 is an apocalyptic number.

421066626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421066626 is a wasteful number, since it uses less digits than its factorization.

421066626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70177776.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 421066626 is about 20519.9080407296. The cubic root of 421066626 is about 749.5206572615.

The spelling of 421066626 in words is "four hundred twenty-one million, sixty-six thousand, six hundred twenty-six".