420170662 has 8 divisors (see below), whose sum is σ = 633455856. Its totient is φ = 209018712.

The previous prime is 420170659. The next prime is 420170669. The reversal of 420170662 is 266071024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 420170662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420170669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532818 + ... + 533605.

It is an arithmetic number, because the mean of its divisors is an integer number (79181982).

Almost surely, 2^420170662 is an apocalyptic number.

420170662 is a deficient number, since it is larger than the sum of its proper divisors (213285194).

420170662 is a wasteful number, since it uses less digits than its factorization.

420170662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066622.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 420170662 is about 20498.0648354912. The cubic root of 420170662 is about 748.9886587909.

The spelling of 420170662 in words is "four hundred twenty million, one hundred seventy thousand, six hundred sixty-two".