420701712 has 40 divisors (see below), whose sum is σ = 1096444704. Its totient is φ = 138991104.

The previous prime is 420701711. The next prime is 420701773. The reversal of 420701712 is 217107024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (420701711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33358 + ... + 44205.

Almost surely, 2^420701712 is an apocalyptic number.

It is an amenable number.

420701712 is an abundant number, since it is smaller than the sum of its proper divisors (675742992).

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

420701712 is a wasteful number, since it uses less digits than its factorization.

420701712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77687 (or 77681 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 420701712 is about 20511.0144068986. The cubic root of 420701712 is about 749.3040726688.

Adding to 420701712 its reverse (217107024), we get a palindrome (637808736).

The spelling of 420701712 in words is "four hundred twenty million, seven hundred one thousand, seven hundred twelve".