421166070 has 96 divisors (see below), whose sum is σ = 1193748192. Its totient is φ = 102398976.

The previous prime is 421166069. The next prime is 421166071. The reversal of 421166070 is 70661124.

421166070 is a `hidden beast` number, since 42 + 1 + 16 + 607 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (421166069) and next prime (421166071).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421166071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94942 + ... + 99278.

It is an arithmetic number, because the mean of its divisors is an integer number (12434877).

Almost surely, 2^421166070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421166070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596874096).

421166070 is an abundant number, since it is smaller than the sum of its proper divisors (772582122).

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

421166070 is a wasteful number, since it uses less digits than its factorization.

421166070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 421166070 is about 20522.3310079533. The cubic root of 421166070 is about 749.5796577939.

The spelling of 421166070 in words is "four hundred twenty-one million, one hundred sixty-six thousand, seventy".