420768612 has 36 divisors (see below), whose sum is σ = 1160302416. Its totient is φ = 127505520.

The previous prime is 420768577. The next prime is 420768613. The reversal of 420768612 is 216867024.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (420768613) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 530878 + ... + 531669.

Almost surely, 2^420768612 is an apocalyptic number.

It is an amenable number.

420768612 is an abundant number, since it is smaller than the sum of its proper divisors (739533804).

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

420768612 is a wasteful number, since it uses less digits than its factorization.

420768612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062568 (or 1062563 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 420768612 is about 20512.6451731609. The cubic root of 420768612 is about 749.3437886831.

The spelling of 420768612 in words is "four hundred twenty million, seven hundred sixty-eight thousand, six hundred twelve".